Finding the Fourth Proportional to 236,461.16, 326,306.18 and 129,029.48
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Solution
The fourth proportional to 236,461.16, 326,306.18 and 129,029.48 is: 178,055.11
Step by Step Solution
- Step 1: Write the proportion equation
236,461.16 : 326,306.18 = 129,029.48 : x - Step 2: Convert to fraction form
236,461.16/326,306.18 = 129,029.48/x - Step 3: Cross multiply
236,461.16x = 326,306.18 × 129,029.48 - Step 4: Simplify right side
236,461.16x = 42,103,116,726.19 - Step 5: Solve for x
x = 42,103,116,726.19/236,461.16 - Step 6: Final answer
x = 178,055.11
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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.