Finding the Fourth Proportional to 422,691.18, 583,337.62 and 250,711.18
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Solution
The fourth proportional to 422,691.18, 583,337.62 and 250,711.18 is: 345,995.54
Step by Step Solution
- Step 1: Write the proportion equation
422,691.18 : 583,337.62 = 250,711.18 : x - Step 2: Convert to fraction form
422,691.18/583,337.62 = 250,711.18/x - Step 3: Cross multiply
422,691.18x = 583,337.62 × 250,711.18 - Step 4: Simplify right side
422,691.18x = 146,249,263,048.59 - Step 5: Solve for x
x = 146,249,263,048.59/422,691.18 - Step 6: Final answer
x = 345,995.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.