Finding the Fourth Proportional to 475,156.99, 655,724.08 and 260,282.87
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Solution
The fourth proportional to 475,156.99, 655,724.08 and 260,282.87 is: 359,194.43
Step by Step Solution
- Step 1: Write the proportion equation
475,156.99 : 655,724.08 = 260,282.87 : x - Step 2: Convert to fraction form
475,156.99/655,724.08 = 260,282.87/x - Step 3: Cross multiply
475,156.99x = 655,724.08 × 260,282.87 - Step 4: Simplify right side
475,156.99x = 170,673,745,470.51 - Step 5: Solve for x
x = 170,673,745,470.51/475,156.99 - Step 6: Final answer
x = 359,194.43
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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.