Finding the Fourth Proportional to 351,425.17, 527,133.10 and 85,188.09
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Solution
The fourth proportional to 351,425.17, 527,133.10 and 85,188.09 is: 127,781.01
Step by Step Solution
- Step 1: Write the proportion equation
351,425.17 : 527,133.10 = 85,188.09 : x - Step 2: Convert to fraction form
351,425.17/527,133.10 = 85,188.09/x - Step 3: Cross multiply
351,425.17x = 527,133.10 × 85,188.09 - Step 4: Simplify right side
351,425.17x = 44,905,461,964.78 - Step 5: Solve for x
x = 44,905,461,964.78/351,425.17 - Step 6: Final answer
x = 127,781.01
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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.