Finding the Fourth Proportional to 466,638.06, 643,995.95 and 282,930.06
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Solution
The fourth proportional to 466,638.06, 643,995.95 and 282,930.06 is: 390,464.96
Step by Step Solution
- Step 1: Write the proportion equation
466,638.06 : 643,995.95 = 282,930.06 : x - Step 2: Convert to fraction form
466,638.06/643,995.95 = 282,930.06/x - Step 3: Cross multiply
466,638.06x = 643,995.95 × 282,930.06 - Step 4: Simplify right side
466,638.06x = 182,205,812,773.26 - Step 5: Solve for x
x = 182,205,812,773.26/466,638.06 - Step 6: Final answer
x = 390,464.96
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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.