Finding the Fourth Proportional to 239,215.40, 358,823.10 and 164,565.80
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Solution
The fourth proportional to 239,215.40, 358,823.10 and 164,565.80 is: 246,848.70
Step by Step Solution
- Step 1: Write the proportion equation
239,215.40 : 358,823.10 = 164,565.80 : x - Step 2: Convert to fraction form
239,215.40/358,823.10 = 164,565.80/x - Step 3: Cross multiply
239,215.40x = 358,823.10 × 164,565.80 - Step 4: Simplify right side
239,215.40x = 59,050,010,509.98 - Step 5: Solve for x
x = 59,050,010,509.98/239,215.40 - Step 6: Final answer
x = 246,848.70
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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.