Finding the Fourth Proportional to 224,722.08, 310,132.80 and 129,258.72
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Solution
The fourth proportional to 224,722.08, 310,132.80 and 129,258.72 is: 178,386.43
Step by Step Solution
- Step 1: Write the proportion equation
224,722.08 : 310,132.80 = 129,258.72 : x - Step 2: Convert to fraction form
224,722.08/310,132.80 = 129,258.72/x - Step 3: Cross multiply
224,722.08x = 310,132.80 × 129,258.72 - Step 4: Simplify right side
224,722.08x = 40,087,368,758.02 - Step 5: Solve for x
x = 40,087,368,758.02/224,722.08 - Step 6: Final answer
x = 178,386.43
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1.5x scale
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.