Finding the Fourth Proportional to 216,008.74, 323,975.74 and 97,652.56
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Solution
The fourth proportional to 216,008.74, 323,975.74 and 97,652.56 is: 146,461.95
Step by Step Solution
- Step 1: Write the proportion equation
216,008.74 : 323,975.74 = 97,652.56 : x - Step 2: Convert to fraction form
216,008.74/323,975.74 = 97,652.56/x - Step 3: Cross multiply
216,008.74x = 323,975.74 × 97,652.56 - Step 4: Simplify right side
216,008.74x = 31,637,060,388.89 - Step 5: Solve for x
x = 31,637,060,388.89/216,008.74 - Step 6: Final answer
x = 146,461.95
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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.