Finding the Fourth Proportional to 172,684.86, 238,304.07 and 97,257.66
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Solution
The fourth proportional to 172,684.86, 238,304.07 and 97,257.66 is: 134,214.99
Step by Step Solution
- Step 1: Write the proportion equation
172,684.86 : 238,304.07 = 97,257.66 : x - Step 2: Convert to fraction form
172,684.86/238,304.07 = 97,257.66/x - Step 3: Cross multiply
172,684.86x = 238,304.07 × 97,257.66 - Step 4: Simplify right side
172,684.86x = 23,176,896,216.68 - Step 5: Solve for x
x = 23,176,896,216.68/172,684.86 - Step 6: Final answer
x = 134,214.99
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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.