Finding the Fourth Proportional to 169,866.72, 234,429.12 and 94,420.08
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Solution
The fourth proportional to 169,866.72, 234,429.12 and 94,420.08 is: 130,306.96
Step by Step Solution
- Step 1: Write the proportion equation
169,866.72 : 234,429.12 = 94,420.08 : x - Step 2: Convert to fraction form
169,866.72/234,429.12 = 94,420.08/x - Step 3: Cross multiply
169,866.72x = 234,429.12 × 94,420.08 - Step 4: Simplify right side
169,866.72x = 22,134,816,264.73 - Step 5: Solve for x
x = 22,134,816,264.73/169,866.72 - Step 6: Final answer
x = 130,306.96
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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.