Finding the Fourth Proportional to 475,332.18, 712,518.50 and 297,963.75
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Solution
The fourth proportional to 475,332.18, 712,518.50 and 297,963.75 is: 446,644.87
Step by Step Solution
- Step 1: Write the proportion equation
475,332.18 : 712,518.50 = 297,963.75 : x - Step 2: Convert to fraction form
475,332.18/712,518.50 = 297,963.75/x - Step 3: Cross multiply
475,332.18x = 712,518.50 × 297,963.75 - Step 4: Simplify right side
475,332.18x = 212,304,682,775.29 - Step 5: Solve for x
x = 212,304,682,775.29/475,332.18 - Step 6: Final answer
x = 446,644.87
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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.