Finding the Fourth Proportional to 272,585.99, 408,878.88 and 72,901.19
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Solution
The fourth proportional to 272,585.99, 408,878.88 and 72,901.19 is: 109,351.75
Step by Step Solution
- Step 1: Write the proportion equation
272,585.99 : 408,878.88 = 72,901.19 : x - Step 2: Convert to fraction form
272,585.99/408,878.88 = 72,901.19/x - Step 3: Cross multiply
272,585.99x = 408,878.88 × 72,901.19 - Step 4: Simplify right side
272,585.99x = 29,807,754,873.47 - Step 5: Solve for x
x = 29,807,754,873.47/272,585.99 - Step 6: Final answer
x = 109,351.75
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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.