Finding the Fourth Proportional to 395,758.08, 592,565.76 and 289,774.08
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Solution
The fourth proportional to 395,758.08, 592,565.76 and 289,774.08 is: 433,876.67
Step by Step Solution
- Step 1: Write the proportion equation
395,758.08 : 592,565.76 = 289,774.08 : x - Step 2: Convert to fraction form
395,758.08/592,565.76 = 289,774.08/x - Step 3: Cross multiply
395,758.08x = 592,565.76 × 289,774.08 - Step 4: Simplify right side
395,758.08x = 171,710,197,943.50 - Step 5: Solve for x
x = 171,710,197,943.50/395,758.08 - Step 6: Final answer
x = 433,876.67
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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.