Finding the Fourth Proportional to 152,981.98, 229,346.61 and 67,531.99
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Solution
The fourth proportional to 152,981.98, 229,346.61 and 67,531.99 is: 101,242.20
Step by Step Solution
- Step 1: Write the proportion equation
152,981.98 : 229,346.61 = 67,531.99 : x - Step 2: Convert to fraction form
152,981.98/229,346.61 = 67,531.99/x - Step 3: Cross multiply
152,981.98x = 229,346.61 × 67,531.99 - Step 4: Simplify right side
152,981.98x = 15,488,232,973.05 - Step 5: Solve for x
x = 15,488,232,973.05/152,981.98 - Step 6: Final answer
x = 101,242.20
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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.