Finding the Fourth Proportional to 236,798.01, 326,780.06 and 129,374.19
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Solution
The fourth proportional to 236,798.01, 326,780.06 and 129,374.19 is: 178,535.73
Step by Step Solution
- Step 1: Write the proportion equation
236,798.01 : 326,780.06 = 129,374.19 : x - Step 2: Convert to fraction form
236,798.01/326,780.06 = 129,374.19/x - Step 3: Cross multiply
236,798.01x = 326,780.06 × 129,374.19 - Step 4: Simplify right side
236,798.01x = 42,276,904,923.78 - Step 5: Solve for x
x = 42,276,904,923.78/236,798.01 - Step 6: Final answer
x = 178,535.73
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1.5x scale
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.