Finding the Fourth Proportional to 387,248.24, 580,031.21 and 187,149.02
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Solution
The fourth proportional to 387,248.24, 580,031.21 and 187,149.02 is: 280,317.01
Step by Step Solution
- Step 1: Write the proportion equation
387,248.24 : 580,031.21 = 187,149.02 : x - Step 2: Convert to fraction form
387,248.24/580,031.21 = 187,149.02/x - Step 3: Cross multiply
387,248.24x = 580,031.21 × 187,149.02 - Step 4: Simplify right side
387,248.24x = 108,552,270,088.63 - Step 5: Solve for x
x = 108,552,270,088.63/387,248.24 - Step 6: Final answer
x = 280,317.01
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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.