Finding the Fourth Proportional to 282,432.80, 423,648.99 and 72,070.76
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Solution
The fourth proportional to 282,432.80, 423,648.99 and 72,070.76 is: 108,106.09
Step by Step Solution
- Step 1: Write the proportion equation
282,432.80 : 423,648.99 = 72,070.76 : x - Step 2: Convert to fraction form
282,432.80/423,648.99 = 72,070.76/x - Step 3: Cross multiply
282,432.80x = 423,648.99 × 72,070.76 - Step 4: Simplify right side
282,432.80x = 30,532,704,682.53 - Step 5: Solve for x
x = 30,532,704,682.53/282,432.80 - Step 6: Final answer
x = 108,106.09
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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.