Finding the Fourth Proportional to 448,948.12, 619,545.36 and 247,744.12
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Solution
The fourth proportional to 448,948.12, 619,545.36 and 247,744.12 is: 341,885.20
Step by Step Solution
- Step 1: Write the proportion equation
448,948.12 : 619,545.36 = 247,744.12 : x - Step 2: Convert to fraction form
448,948.12/619,545.36 = 247,744.12/x - Step 3: Cross multiply
448,948.12x = 619,545.36 × 247,744.12 - Step 4: Simplify right side
448,948.12x = 153,488,720,013.28 - Step 5: Solve for x
x = 153,488,720,013.28/448,948.12 - Step 6: Final answer
x = 341,885.20
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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.