Finding the Fourth Proportional to 207,433.74, 286,305.15 and 135,772.02
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Solution
The fourth proportional to 207,433.74, 286,305.15 and 135,772.02 is: 187,395.88
Step by Step Solution
- Step 1: Write the proportion equation
207,433.74 : 286,305.15 = 135,772.02 : x - Step 2: Convert to fraction form
207,433.74/286,305.15 = 135,772.02/x - Step 3: Cross multiply
207,433.74x = 286,305.15 × 135,772.02 - Step 4: Simplify right side
207,433.74x = 38,872,228,551.90 - Step 5: Solve for x
x = 38,872,228,551.90/207,433.74 - Step 6: Final answer
x = 187,395.88
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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.