Finding the Fourth Proportional to 506,995.20, 760,204.85 and 207,124.70
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Solution
The fourth proportional to 506,995.20, 760,204.85 and 207,124.70 is: 310,569.40
Step by Step Solution
- Step 1: Write the proportion equation
506,995.20 : 760,204.85 = 207,124.70 : x - Step 2: Convert to fraction form
506,995.20/760,204.85 = 207,124.70/x - Step 3: Cross multiply
506,995.20x = 760,204.85 × 207,124.70 - Step 4: Simplify right side
506,995.20x = 157,457,196,658.15 - Step 5: Solve for x
x = 157,457,196,658.15/506,995.20 - Step 6: Final answer
x = 310,569.40
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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.