Finding the Fourth Proportional to 285,304.80, 427,762.80 and 135,616.80
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Solution
The fourth proportional to 285,304.80, 427,762.80 and 135,616.80 is: 203,332.79
Step by Step Solution
- Step 1: Write the proportion equation
285,304.80 : 427,762.80 = 135,616.80 : x - Step 2: Convert to fraction form
285,304.80/427,762.80 = 135,616.80/x - Step 3: Cross multiply
285,304.80x = 427,762.80 × 135,616.80 - Step 4: Simplify right side
285,304.80x = 58,011,822,095.04 - Step 5: Solve for x
x = 58,011,822,095.04/285,304.80 - Step 6: Final answer
x = 203,332.79
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1.5x scale
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.