Finding the Fourth Proportional to 564,948.53, 847,424.16 and 138,486.26
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Solution
The fourth proportional to 564,948.53, 847,424.16 and 138,486.26 is: 207,729.72
Step by Step Solution
- Step 1: Write the proportion equation
564,948.53 : 847,424.16 = 138,486.26 : x - Step 2: Convert to fraction form
564,948.53/847,424.16 = 138,486.26/x - Step 3: Cross multiply
564,948.53x = 847,424.16 × 138,486.26 - Step 4: Simplify right side
564,948.53x = 117,356,602,552.04 - Step 5: Solve for x
x = 117,356,602,552.04/564,948.53 - Step 6: Final answer
x = 207,729.72
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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.