Finding the Fourth Proportional to 434,934.96, 652,463.28 and 135,437.28
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Solution
The fourth proportional to 434,934.96, 652,463.28 and 135,437.28 is: 203,174.87
Step by Step Solution
- Step 1: Write the proportion equation
434,934.96 : 652,463.28 = 135,437.28 : x - Step 2: Convert to fraction form
434,934.96/652,463.28 = 135,437.28/x - Step 3: Cross multiply
434,934.96x = 652,463.28 × 135,437.28 - Step 4: Simplify right side
434,934.96x = 88,367,851,943.08 - Step 5: Solve for x
x = 88,367,851,943.08/434,934.96 - Step 6: Final answer
x = 203,174.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.