Finding the Fourth Proportional to 406,262.08, 560,691.84 and 245,209.60
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Solution
The fourth proportional to 406,262.08, 560,691.84 and 245,209.60 is: 338,419.53
Step by Step Solution
- Step 1: Write the proportion equation
406,262.08 : 560,691.84 = 245,209.60 : x - Step 2: Convert to fraction form
406,262.08/560,691.84 = 245,209.60/x - Step 3: Cross multiply
406,262.08x = 560,691.84 × 245,209.60 - Step 4: Simplify right side
406,262.08x = 137,487,021,809.66 - Step 5: Solve for x
x = 137,487,021,809.66/406,262.08 - Step 6: Final answer
x = 338,419.53
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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.