Finding the Fourth Proportional to 408,565.84, 612,853.05 and 124,302.68
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Solution
The fourth proportional to 408,565.84, 612,853.05 and 124,302.68 is: 186,455.33
Step by Step Solution
- Step 1: Write the proportion equation
408,565.84 : 612,853.05 = 124,302.68 : x - Step 2: Convert to fraction form
408,565.84/612,853.05 = 124,302.68/x - Step 3: Cross multiply
408,565.84x = 612,853.05 × 124,302.68 - Step 4: Simplify right side
408,565.84x = 76,179,276,561.17 - Step 5: Solve for x
x = 76,179,276,561.17/408,565.84 - Step 6: Final answer
x = 186,455.33
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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.