Finding the Fourth Proportional to 238,641.58, 358,125.18 and 126,317.26
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Solution
The fourth proportional to 238,641.58, 358,125.18 and 126,317.26 is: 189,562.07
Step by Step Solution
- Step 1: Write the proportion equation
238,641.58 : 358,125.18 = 126,317.26 : x - Step 2: Convert to fraction form
238,641.58/358,125.18 = 126,317.26/x - Step 3: Cross multiply
238,641.58x = 358,125.18 × 126,317.26 - Step 4: Simplify right side
238,641.58x = 45,237,391,474.61 - Step 5: Solve for x
x = 45,237,391,474.61/238,641.58 - Step 6: Final answer
x = 189,562.07
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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.