Finding the Fourth Proportional to 359,937.20, 539,128.20 and 313,281.20
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Solution
The fourth proportional to 359,937.20, 539,128.20 and 313,281.20 is: 469,244.99
Step by Step Solution
- Step 1: Write the proportion equation
359,937.20 : 539,128.20 = 313,281.20 : x - Step 2: Convert to fraction form
359,937.20/539,128.20 = 313,281.20/x - Step 3: Cross multiply
359,937.20x = 539,128.20 × 313,281.20 - Step 4: Simplify right side
359,937.20x = 168,898,729,449.84 - Step 5: Solve for x
x = 168,898,729,449.84/359,937.20 - Step 6: Final answer
x = 469,244.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.