Finding the Fourth Proportional to 152,877.62, 210,964.02 and 84,898.91
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Solution
The fourth proportional to 152,877.62, 210,964.02 and 84,898.91 is: 117,156.55
Step by Step Solution
- Step 1: Write the proportion equation
152,877.62 : 210,964.02 = 84,898.91 : x - Step 2: Convert to fraction form
152,877.62/210,964.02 = 84,898.91/x - Step 3: Cross multiply
152,877.62x = 210,964.02 × 84,898.91 - Step 4: Simplify right side
152,877.62x = 17,910,614,292.40 - Step 5: Solve for x
x = 17,910,614,292.40/152,877.62 - Step 6: Final answer
x = 117,156.55
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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.