Finding the Fourth Proportional to 577,781.48, 866,669.70 and 157,056.14
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Solution
The fourth proportional to 577,781.48, 866,669.70 and 157,056.14 is: 235,583.52
Step by Step Solution
- Step 1: Write the proportion equation
577,781.48 : 866,669.70 = 157,056.14 : x - Step 2: Convert to fraction form
577,781.48/866,669.70 = 157,056.14/x - Step 3: Cross multiply
577,781.48x = 866,669.70 × 157,056.14 - Step 4: Simplify right side
577,781.48x = 136,115,797,736.96 - Step 5: Solve for x
x = 136,115,797,736.96/577,781.48 - Step 6: Final answer
x = 235,583.52
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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.