Finding the Fourth Proportional to 236,470.98, 326,336.88 and 129,047.95
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Solution
The fourth proportional to 236,470.98, 326,336.88 and 129,047.95 is: 178,089.95
Step by Step Solution
- Step 1: Write the proportion equation
236,470.98 : 326,336.88 = 129,047.95 : x - Step 2: Convert to fraction form
236,470.98/326,336.88 = 129,047.95/x - Step 3: Cross multiply
236,470.98x = 326,336.88 × 129,047.95 - Step 4: Simplify right side
236,470.98x = 42,113,103,741.71 - Step 5: Solve for x
x = 42,113,103,741.71/236,470.98 - Step 6: Final answer
x = 178,089.95
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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.