Finding the Fourth Proportional to 310,966.98, 429,130.58 and 175,001.18
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Solution
The fourth proportional to 310,966.98, 429,130.58 and 175,001.18 is: 241,499.46
Step by Step Solution
- Step 1: Write the proportion equation
310,966.98 : 429,130.58 = 175,001.18 : x - Step 2: Convert to fraction form
310,966.98/429,130.58 = 175,001.18/x - Step 3: Cross multiply
310,966.98x = 429,130.58 × 175,001.18 - Step 4: Simplify right side
310,966.98x = 75,098,357,874.08 - Step 5: Solve for x
x = 75,098,357,874.08/310,966.98 - Step 6: Final answer
x = 241,499.46
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1.5x scale
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.