Finding the Fourth Proportional to 260,970.08, 391,449.44 and 83,476.55
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Solution
The fourth proportional to 260,970.08, 391,449.44 and 83,476.55 is: 125,213.02
Step by Step Solution
- Step 1: Write the proportion equation
260,970.08 : 391,449.44 = 83,476.55 : x - Step 2: Convert to fraction form
260,970.08/391,449.44 = 83,476.55/x - Step 3: Cross multiply
260,970.08x = 391,449.44 × 83,476.55 - Step 4: Simplify right side
260,970.08x = 32,676,849,937.95 - Step 5: Solve for x
x = 32,676,849,937.95/260,970.08 - Step 6: Final answer
x = 125,213.02
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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.