Finding the Fourth Proportional to 466,280.49, 699,420.68 and 129,321.15
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Solution
The fourth proportional to 466,280.49, 699,420.68 and 129,321.15 is: 193,981.71
Step by Step Solution
- Step 1: Write the proportion equation
466,280.49 : 699,420.68 = 129,321.15 : x - Step 2: Convert to fraction form
466,280.49/699,420.68 = 129,321.15/x - Step 3: Cross multiply
466,280.49x = 699,420.68 × 129,321.15 - Step 4: Simplify right side
466,280.49x = 90,449,886,671.38 - Step 5: Solve for x
x = 90,449,886,671.38/466,280.49 - Step 6: Final answer
x = 193,981.71
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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.