Finding the Fourth Proportional to 495,120.48, 742,561.68 and 228,624.96
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Solution
The fourth proportional to 495,120.48, 742,561.68 and 228,624.96 is: 342,882.47
Step by Step Solution
- Step 1: Write the proportion equation
495,120.48 : 742,561.68 = 228,624.96 : x - Step 2: Convert to fraction form
495,120.48/742,561.68 = 228,624.96/x - Step 3: Cross multiply
495,120.48x = 742,561.68 × 228,624.96 - Step 4: Simplify right side
495,120.48x = 169,768,134,387.53 - Step 5: Solve for x
x = 169,768,134,387.53/495,120.48 - Step 6: Final answer
x = 342,882.47
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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.