Finding the Fourth Proportional to 520,177.04, 780,292.50 and 165,218.84
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Solution
The fourth proportional to 520,177.04, 780,292.50 and 165,218.84 is: 247,836.82
Step by Step Solution
- Step 1: Write the proportion equation
520,177.04 : 780,292.50 = 165,218.84 : x - Step 2: Convert to fraction form
520,177.04/780,292.50 = 165,218.84/x - Step 3: Cross multiply
520,177.04x = 780,292.50 × 165,218.84 - Step 4: Simplify right side
520,177.04x = 128,919,021,710.70 - Step 5: Solve for x
x = 128,919,021,710.70/520,177.04 - Step 6: Final answer
x = 247,836.82
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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.