Finding the Fourth Proportional to 272,238.08, 375,689.76 and 159,036.80
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Solution
The fourth proportional to 272,238.08, 375,689.76 and 159,036.80 is: 219,471.49
Step by Step Solution
- Step 1: Write the proportion equation
272,238.08 : 375,689.76 = 159,036.80 : x - Step 2: Convert to fraction form
272,238.08/375,689.76 = 159,036.80/x - Step 3: Cross multiply
272,238.08x = 375,689.76 × 159,036.80 - Step 4: Simplify right side
272,238.08x = 59,748,497,223.17 - Step 5: Solve for x
x = 59,748,497,223.17/272,238.08 - Step 6: Final answer
x = 219,471.49
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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.