Finding the Fourth Proportional to 536,424.70, 804,637.05 and 162,447.70
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Solution
The fourth proportional to 536,424.70, 804,637.05 and 162,447.70 is: 243,671.55
Step by Step Solution
- Step 1: Write the proportion equation
536,424.70 : 804,637.05 = 162,447.70 : x - Step 2: Convert to fraction form
536,424.70/804,637.05 = 162,447.70/x - Step 3: Cross multiply
536,424.70x = 804,637.05 × 162,447.70 - Step 4: Simplify right side
536,424.70x = 130,711,438,107.29 - Step 5: Solve for x
x = 130,711,438,107.29/536,424.70 - Step 6: Final answer
x = 243,671.55
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.