Finding the Fourth Proportional to 418,251.68, 577,177.19 and 234,478.07
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Solution
The fourth proportional to 418,251.68, 577,177.19 and 234,478.07 is: 323,574.06
Step by Step Solution
- Step 1: Write the proportion equation
418,251.68 : 577,177.19 = 234,478.07 : x - Step 2: Convert to fraction form
418,251.68/577,177.19 = 234,478.07/x - Step 3: Cross multiply
418,251.68x = 577,177.19 × 234,478.07 - Step 4: Simplify right side
418,251.68x = 135,335,393,829.78 - Step 5: Solve for x
x = 135,335,393,829.78/418,251.68 - Step 6: Final answer
x = 323,574.06
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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.