Finding the Fourth Proportional to 296,590.10, 444,885.15 and 260,431.70
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Solution
The fourth proportional to 296,590.10, 444,885.15 and 260,431.70 is: 390,647.55
Step by Step Solution
- Step 1: Write the proportion equation
296,590.10 : 444,885.15 = 260,431.70 : x - Step 2: Convert to fraction form
296,590.10/444,885.15 = 260,431.70/x - Step 3: Cross multiply
296,590.10x = 444,885.15 × 260,431.70 - Step 4: Simplify right side
296,590.10x = 115,862,195,919.26 - Step 5: Solve for x
x = 115,862,195,919.26/296,590.10 - Step 6: Final answer
x = 390,647.55
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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.