Finding the Fourth Proportional to 247,339.36, 341,319.18 and 134,159.68
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Solution
The fourth proportional to 247,339.36, 341,319.18 and 134,159.68 is: 185,135.40
Step by Step Solution
- Step 1: Write the proportion equation
247,339.36 : 341,319.18 = 134,159.68 : x - Step 2: Convert to fraction form
247,339.36/341,319.18 = 134,159.68/x - Step 3: Cross multiply
247,339.36x = 341,319.18 × 134,159.68 - Step 4: Simplify right side
247,339.36x = 45,791,271,966.66 - Step 5: Solve for x
x = 45,791,271,966.66/247,339.36 - Step 6: Final answer
x = 185,135.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.