Finding the Fourth Proportional to 477,070.05, 715,605.08 and 177,542.85
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Solution
The fourth proportional to 477,070.05, 715,605.08 and 177,542.85 is: 266,314.28
Step by Step Solution
- Step 1: Write the proportion equation
477,070.05 : 715,605.08 = 177,542.85 : x - Step 2: Convert to fraction form
477,070.05/715,605.08 = 177,542.85/x - Step 3: Cross multiply
477,070.05x = 715,605.08 × 177,542.85 - Step 4: Simplify right side
477,070.05x = 127,050,565,377.68 - Step 5: Solve for x
x = 127,050,565,377.68/477,070.05 - Step 6: Final answer
x = 266,314.28
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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.