Finding the Fourth Proportional to 455,548.28, 683,387.76 and 140,031.68
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Solution
The fourth proportional to 455,548.28, 683,387.76 and 140,031.68 is: 210,067.60
Step by Step Solution
- Step 1: Write the proportion equation
455,548.28 : 683,387.76 = 140,031.68 : x - Step 2: Convert to fraction form
455,548.28/683,387.76 = 140,031.68/x - Step 3: Cross multiply
455,548.28x = 683,387.76 × 140,031.68 - Step 4: Simplify right side
455,548.28x = 95,695,936,124.24 - Step 5: Solve for x
x = 95,695,936,124.24/455,548.28 - Step 6: Final answer
x = 210,067.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.