Finding the Fourth Proportional to 325,053.80, 487,580.70 and 272,565.80
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Solution
The fourth proportional to 325,053.80, 487,580.70 and 272,565.80 is: 408,848.70
Step by Step Solution
- Step 1: Write the proportion equation
325,053.80 : 487,580.70 = 272,565.80 : x - Step 2: Convert to fraction form
325,053.80/487,580.70 = 272,565.80/x - Step 3: Cross multiply
325,053.80x = 487,580.70 × 272,565.80 - Step 4: Simplify right side
325,053.80x = 132,897,823,560.06 - Step 5: Solve for x
x = 132,897,823,560.06/325,053.80 - Step 6: Final answer
x = 408,848.70
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1.5x scale
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.