Finding the Fourth Proportional to 527,625.56, 791,432.64 and 128,266.81
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Solution
The fourth proportional to 527,625.56, 791,432.64 and 128,266.81 is: 192,398.82
Step by Step Solution
- Step 1: Write the proportion equation
527,625.56 : 791,432.64 = 128,266.81 : x - Step 2: Convert to fraction form
527,625.56/791,432.64 = 128,266.81/x - Step 3: Cross multiply
527,625.56x = 791,432.64 × 128,266.81 - Step 4: Simplify right side
527,625.56x = 101,514,538,084.10 - Step 5: Solve for x
x = 101,514,538,084.10/527,625.56 - Step 6: Final answer
x = 192,398.82
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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.