Finding the Fourth Proportional to 102,479.67, 153,726.80 and 32,358.38
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Solution
The fourth proportional to 102,479.67, 153,726.80 and 32,358.38 is: 48,539.86
Step by Step Solution
- Step 1: Write the proportion equation
102,479.67 : 153,726.80 = 32,358.38 : x - Step 2: Convert to fraction form
102,479.67/153,726.80 = 32,358.38/x - Step 3: Cross multiply
102,479.67x = 153,726.80 × 32,358.38 - Step 4: Simplify right side
102,479.67x = 4,974,349,280.16 - Step 5: Solve for x
x = 4,974,349,280.16/102,479.67 - Step 6: Final answer
x = 48,539.86
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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.