Finding the Fourth Proportional to 324,886.19, 487,412.40 and 125,152.95
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Solution
The fourth proportional to 324,886.19, 487,412.40 and 125,152.95 is: 187,761.45
Step by Step Solution
- Step 1: Write the proportion equation
324,886.19 : 487,412.40 = 125,152.95 : x - Step 2: Convert to fraction form
324,886.19/487,412.40 = 125,152.95/x - Step 3: Cross multiply
324,886.19x = 487,412.40 × 125,152.95 - Step 4: Simplify right side
324,886.19x = 61,001,099,726.58 - Step 5: Solve for x
x = 61,001,099,726.58/324,886.19 - Step 6: Final answer
x = 187,761.45
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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.