Finding the Fourth Proportional to 520,110.84, 780,251.65 and 160,281.76
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Solution
The fourth proportional to 520,110.84, 780,251.65 and 160,281.76 is: 240,448.95
Step by Step Solution
- Step 1: Write the proportion equation
520,110.84 : 780,251.65 = 160,281.76 : x - Step 2: Convert to fraction form
520,110.84/780,251.65 = 160,281.76/x - Step 3: Cross multiply
520,110.84x = 780,251.65 × 160,281.76 - Step 4: Simplify right side
520,110.84x = 125,060,103,002.24 - Step 5: Solve for x
x = 125,060,103,002.24/520,110.84 - Step 6: Final answer
x = 240,448.95
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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.