Finding the Fourth Proportional to 343,946.28, 516,118.68 and 144,248.88
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Solution
The fourth proportional to 343,946.28, 516,118.68 and 144,248.88 is: 216,456.89
Step by Step Solution
- Step 1: Write the proportion equation
343,946.28 : 516,118.68 = 144,248.88 : x - Step 2: Convert to fraction form
343,946.28/516,118.68 = 144,248.88/x - Step 3: Cross multiply
343,946.28x = 516,118.68 × 144,248.88 - Step 4: Simplify right side
343,946.28x = 74,449,541,537.08 - Step 5: Solve for x
x = 74,449,541,537.08/343,946.28 - Step 6: Final answer
x = 216,456.89
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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.