Finding the Fourth Proportional to 577,155.24, 865,732.88 and 156,431.12
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Solution
The fourth proportional to 577,155.24, 865,732.88 and 156,431.12 is: 234,646.69
Step by Step Solution
- Step 1: Write the proportion equation
577,155.24 : 865,732.88 = 156,431.12 : x - Step 2: Convert to fraction form
577,155.24/865,732.88 = 156,431.12/x - Step 3: Cross multiply
577,155.24x = 865,732.88 × 156,431.12 - Step 4: Simplify right side
577,155.24x = 135,427,564,039.23 - Step 5: Solve for x
x = 135,427,564,039.23/577,155.24 - Step 6: Final answer
x = 234,646.69
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1.5x scale
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.