Finding the Fourth Proportional to 564,988.91, 847,484.78 and 138,526.65
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Solution
The fourth proportional to 564,988.91, 847,484.78 and 138,526.65 is: 207,790.32
Step by Step Solution
- Step 1: Write the proportion equation
564,988.91 : 847,484.78 = 138,526.65 : x - Step 2: Convert to fraction form
564,988.91/847,484.78 = 138,526.65/x - Step 3: Cross multiply
564,988.91x = 847,484.78 × 138,526.65 - Step 4: Simplify right side
564,988.91x = 117,399,226,806.75 - Step 5: Solve for x
x = 117,399,226,806.75/564,988.91 - Step 6: Final answer
x = 207,790.32
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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.