Finding the Fourth Proportional to 147,115.60, 202,934.88 and 93,308.08
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Solution
The fourth proportional to 147,115.60, 202,934.88 and 93,308.08 is: 128,711.46
Step by Step Solution
- Step 1: Write the proportion equation
147,115.60 : 202,934.88 = 93,308.08 : x - Step 2: Convert to fraction form
147,115.60/202,934.88 = 93,308.08/x - Step 3: Cross multiply
147,115.60x = 202,934.88 × 93,308.08 - Step 4: Simplify right side
147,115.60x = 18,935,464,017.83 - Step 5: Solve for x
x = 18,935,464,017.83/147,115.60 - Step 6: Final answer
x = 128,711.46
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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.