Finding the Fourth Proportional to 406,335.68, 560,747.36 and 245,159.58
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Solution
The fourth proportional to 406,335.68, 560,747.36 and 245,159.58 is: 338,322.71
Step by Step Solution
- Step 1: Write the proportion equation
406,335.68 : 560,747.36 = 245,159.58 : x - Step 2: Convert to fraction form
406,335.68/560,747.36 = 245,159.58/x - Step 3: Cross multiply
406,335.68x = 560,747.36 × 245,159.58 - Step 4: Simplify right side
406,335.68x = 137,472,586,037.91 - Step 5: Solve for x
x = 137,472,586,037.91/406,335.68 - Step 6: Final answer
x = 338,322.71
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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.