Finding the Fourth Proportional to 439,701.60, 660,070.80 and 250,312.80
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Solution
The fourth proportional to 439,701.60, 660,070.80 and 250,312.80 is: 375,764.31
Step by Step Solution
- Step 1: Write the proportion equation
439,701.60 : 660,070.80 = 250,312.80 : x - Step 2: Convert to fraction form
439,701.60/660,070.80 = 250,312.80/x - Step 3: Cross multiply
439,701.60x = 660,070.80 × 250,312.80 - Step 4: Simplify right side
439,701.60x = 165,224,170,146.24 - Step 5: Solve for x
x = 165,224,170,146.24/439,701.60 - Step 6: Final answer
x = 375,764.31
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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.