Finding the Fourth Proportional to 464,298.10, 640,758.06 and 260,414.42
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Solution
The fourth proportional to 464,298.10, 640,758.06 and 260,414.42 is: 359,386.86
Step by Step Solution
- Step 1: Write the proportion equation
464,298.10 : 640,758.06 = 260,414.42 : x - Step 2: Convert to fraction form
464,298.10/640,758.06 = 260,414.42/x - Step 3: Cross multiply
464,298.10x = 640,758.06 × 260,414.42 - Step 4: Simplify right side
464,298.10x = 166,862,638,555.23 - Step 5: Solve for x
x = 166,862,638,555.23/464,298.10 - Step 6: Final answer
x = 359,386.86
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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.