Finding the Fourth Proportional to 312,258.24, 468,452.16 and 125,284.32
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Solution
The fourth proportional to 312,258.24, 468,452.16 and 125,284.32 is: 187,952.48
Step by Step Solution
- Step 1: Write the proportion equation
312,258.24 : 468,452.16 = 125,284.32 : x - Step 2: Convert to fraction form
312,258.24/468,452.16 = 125,284.32/x - Step 3: Cross multiply
312,258.24x = 468,452.16 × 125,284.32 - Step 4: Simplify right side
312,258.24x = 58,689,710,318.13 - Step 5: Solve for x
x = 58,689,710,318.13/312,258.24 - Step 6: Final answer
x = 187,952.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.