Finding the Fourth Proportional to 508,723.80, 763,195.05 and 153,773.70
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Solution
The fourth proportional to 508,723.80, 763,195.05 and 153,773.70 is: 230,693.60
Step by Step Solution
- Step 1: Write the proportion equation
508,723.80 : 763,195.05 = 153,773.70 : x - Step 2: Convert to fraction form
508,723.80/763,195.05 = 153,773.70/x - Step 3: Cross multiply
508,723.80x = 763,195.05 × 153,773.70 - Step 4: Simplify right side
508,723.80x = 117,359,326,660.19 - Step 5: Solve for x
x = 117,359,326,660.19/508,723.80 - Step 6: Final answer
x = 230,693.60
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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.