Finding the Fourth Proportional to 357,085.44, 535,645.92 and 117,178.08
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Solution
The fourth proportional to 357,085.44, 535,645.92 and 117,178.08 is: 175,772.95
Step by Step Solution
- Step 1: Write the proportion equation
357,085.44 : 535,645.92 = 117,178.08 : x - Step 2: Convert to fraction form
357,085.44/535,645.92 = 117,178.08/x - Step 3: Cross multiply
357,085.44x = 535,645.92 × 117,178.08 - Step 4: Simplify right side
357,085.44x = 62,765,960,465.43 - Step 5: Solve for x
x = 62,765,960,465.43/357,085.44 - Step 6: Final answer
x = 175,772.95
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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.