Finding the Fourth Proportional to 372,248.18, 513,660.74 and 219,276.41
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Solution
The fourth proportional to 372,248.18, 513,660.74 and 219,276.41 is: 302,576.85
Step by Step Solution
- Step 1: Write the proportion equation
372,248.18 : 513,660.74 = 219,276.41 : x - Step 2: Convert to fraction form
372,248.18/513,660.74 = 219,276.41/x - Step 3: Cross multiply
372,248.18x = 513,660.74 × 219,276.41 - Step 4: Simplify right side
372,248.18x = 112,633,679,360.46 - Step 5: Solve for x
x = 112,633,679,360.46/372,248.18 - Step 6: Final answer
x = 302,576.85
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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.