Finding the Fourth Proportional to 319,209.84, 478,760.76 and 94,565.52
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Solution
The fourth proportional to 319,209.84, 478,760.76 and 94,565.52 is: 141,832.28
Step by Step Solution
- Step 1: Write the proportion equation
319,209.84 : 478,760.76 = 94,565.52 : x - Step 2: Convert to fraction form
319,209.84/478,760.76 = 94,565.52/x - Step 3: Cross multiply
319,209.84x = 478,760.76 × 94,565.52 - Step 4: Simplify right side
319,209.84x = 45,274,260,225.00 - Step 5: Solve for x
x = 45,274,260,225.00/319,209.84 - Step 6: Final answer
x = 141,832.28
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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.