Finding the Fourth Proportional to 224,763.13, 310,182.03 and 129,269.71
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Solution
The fourth proportional to 224,763.13, 310,182.03 and 129,269.71 is: 178,397.32
Step by Step Solution
- Step 1: Write the proportion equation
224,763.13 : 310,182.03 = 129,269.71 : x - Step 2: Convert to fraction form
224,763.13/310,182.03 = 129,269.71/x - Step 3: Cross multiply
224,763.13x = 310,182.03 × 129,269.71 - Step 4: Simplify right side
224,763.13x = 40,097,138,868.05 - Step 5: Solve for x
x = 40,097,138,868.05/224,763.13 - Step 6: Final answer
x = 178,397.32
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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.