Finding the Fourth Proportional to 457,750.99, 686,598.79 and 204,963.58
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Solution
The fourth proportional to 457,750.99, 686,598.79 and 204,963.58 is: 307,432.97
Step by Step Solution
- Step 1: Write the proportion equation
457,750.99 : 686,598.79 = 204,963.58 : x - Step 2: Convert to fraction form
457,750.99/686,598.79 = 204,963.58/x - Step 3: Cross multiply
457,750.99x = 686,598.79 × 204,963.58 - Step 4: Simplify right side
457,750.99x = 140,727,746,022.07 - Step 5: Solve for x
x = 140,727,746,022.07/457,750.99 - Step 6: Final answer
x = 307,432.97
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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.