Finding the Fourth Proportional to 149,623.65, 224,248.37 and 74,764.80
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Solution
The fourth proportional to 149,623.65, 224,248.37 and 74,764.80 is: 112,053.70
Step by Step Solution
- Step 1: Write the proportion equation
149,623.65 : 224,248.37 = 74,764.80 : x - Step 2: Convert to fraction form
149,623.65/224,248.37 = 74,764.80/x - Step 3: Cross multiply
149,623.65x = 224,248.37 × 74,764.80 - Step 4: Simplify right side
149,623.65x = 16,765,884,159.55 - Step 5: Solve for x
x = 16,765,884,159.55/149,623.65 - Step 6: Final answer
x = 112,053.70
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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.