Finding the Fourth Proportional to 260,577.68, 390,867.06 and 63,585.68
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Solution
The fourth proportional to 260,577.68, 390,867.06 and 63,585.68 is: 95,378.65
Step by Step Solution
- Step 1: Write the proportion equation
260,577.68 : 390,867.06 = 63,585.68 : x - Step 2: Convert to fraction form
260,577.68/390,867.06 = 63,585.68/x - Step 3: Cross multiply
260,577.68x = 390,867.06 × 63,585.68 - Step 4: Simplify right side
260,577.68x = 24,853,547,799.70 - Step 5: Solve for x
x = 24,853,547,799.70/260,577.68 - Step 6: Final answer
x = 95,378.65
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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.