Finding the Fourth Proportional to 122,106.36, 183,011.92 and 62,909.74
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Solution
The fourth proportional to 122,106.36, 183,011.92 and 62,909.74 is: 94,288.56
Step by Step Solution
- Step 1: Write the proportion equation
122,106.36 : 183,011.92 = 62,909.74 : x - Step 2: Convert to fraction form
122,106.36/183,011.92 = 62,909.74/x - Step 3: Cross multiply
122,106.36x = 183,011.92 × 62,909.74 - Step 4: Simplify right side
122,106.36x = 11,513,232,304.10 - Step 5: Solve for x
x = 11,513,232,304.10/122,106.36 - Step 6: Final answer
x = 94,288.56
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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.