Finding the Fourth Proportional to 296,303.80, 444,455.70 and 74,687.80
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Solution
The fourth proportional to 296,303.80, 444,455.70 and 74,687.80 is: 112,031.70
Step by Step Solution
- Step 1: Write the proportion equation
296,303.80 : 444,455.70 = 74,687.80 : x - Step 2: Convert to fraction form
296,303.80/444,455.70 = 74,687.80/x - Step 3: Cross multiply
296,303.80x = 444,455.70 × 74,687.80 - Step 4: Simplify right side
296,303.80x = 33,195,418,430.46 - Step 5: Solve for x
x = 33,195,418,430.46/296,303.80 - Step 6: Final answer
x = 112,031.70
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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.