Finding the Fourth Proportional to 127,612.84, 191,417.95 and 32,842.65
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Solution
The fourth proportional to 127,612.84, 191,417.95 and 32,842.65 is: 49,263.63
Step by Step Solution
- Step 1: Write the proportion equation
127,612.84 : 191,417.95 = 32,842.65 : x - Step 2: Convert to fraction form
127,612.84/191,417.95 = 32,842.65/x - Step 3: Cross multiply
127,612.84x = 191,417.95 × 32,842.65 - Step 4: Simplify right side
127,612.84x = 6,286,671,614.26 - Step 5: Solve for x
x = 6,286,671,614.26/127,612.84 - Step 6: Final answer
x = 49,263.63
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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.