Finding the Fourth Proportional to 409,743.44, 614,473.02 and 143,498.08
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Solution
The fourth proportional to 409,743.44, 614,473.02 and 143,498.08 is: 215,197.34
Step by Step Solution
- Step 1: Write the proportion equation
409,743.44 : 614,473.02 = 143,498.08 : x - Step 2: Convert to fraction form
409,743.44/614,473.02 = 143,498.08/x - Step 3: Cross multiply
409,743.44x = 614,473.02 × 143,498.08 - Step 4: Simplify right side
409,743.44x = 88,175,698,581.80 - Step 5: Solve for x
x = 88,175,698,581.80/409,743.44 - Step 6: Final answer
x = 215,197.34
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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.