Finding the Fourth Proportional to 657,132.14, 906,526.08 and 385,031.07
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Solution
The fourth proportional to 657,132.14, 906,526.08 and 385,031.07 is: 531,157.56
Step by Step Solution
- Step 1: Write the proportion equation
657,132.14 : 906,526.08 = 385,031.07 : x - Step 2: Convert to fraction form
657,132.14/906,526.08 = 385,031.07/x - Step 3: Cross multiply
657,132.14x = 906,526.08 × 385,031.07 - Step 4: Simplify right side
657,132.14x = 349,040,706,565.31 - Step 5: Solve for x
x = 349,040,706,565.31/657,132.14 - Step 6: Final answer
x = 531,157.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.