Finding the Fourth Proportional to 418,966.24, 628,547.76 and 138,483.46
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Solution
The fourth proportional to 418,966.24, 628,547.76 and 138,483.46 is: 207,757.71
Step by Step Solution
- Step 1: Write the proportion equation
418,966.24 : 628,547.76 = 138,483.46 : x - Step 2: Convert to fraction form
418,966.24/628,547.76 = 138,483.46/x - Step 3: Cross multiply
418,966.24x = 628,547.76 × 138,483.46 - Step 4: Simplify right side
418,966.24x = 87,043,468,580.05 - Step 5: Solve for x
x = 87,043,468,580.05/418,966.24 - Step 6: Final answer
x = 207,757.71
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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.