Finding the Fourth Proportional to 370,206.10, 555,309.15 and 341,337.70
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Solution
The fourth proportional to 370,206.10, 555,309.15 and 341,337.70 is: 512,006.55
Step by Step Solution
- Step 1: Write the proportion equation
370,206.10 : 555,309.15 = 341,337.70 : x - Step 2: Convert to fraction form
370,206.10/555,309.15 = 341,337.70/x - Step 3: Cross multiply
370,206.10x = 555,309.15 × 341,337.70 - Step 4: Simplify right side
370,206.10x = 189,547,948,049.96 - Step 5: Solve for x
x = 189,547,948,049.96/370,206.10 - Step 6: Final answer
x = 512,006.55
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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.