Finding the Fourth Proportional to 267,285.64, 368,854.15 and 159,855.68
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Solution
The fourth proportional to 267,285.64, 368,854.15 and 159,855.68 is: 220,600.82
Step by Step Solution
- Step 1: Write the proportion equation
267,285.64 : 368,854.15 = 159,855.68 : x - Step 2: Convert to fraction form
267,285.64/368,854.15 = 159,855.68/x - Step 3: Cross multiply
267,285.64x = 368,854.15 × 159,855.68 - Step 4: Simplify right side
267,285.64x = 58,963,430,969.07 - Step 5: Solve for x
x = 58,963,430,969.07/267,285.64 - Step 6: Final answer
x = 220,600.82
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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.