Finding the Fourth Proportional to 442,854.20, 664,281.30 and 265,269.80
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Solution
The fourth proportional to 442,854.20, 664,281.30 and 265,269.80 is: 397,904.70
Step by Step Solution
- Step 1: Write the proportion equation
442,854.20 : 664,281.30 = 265,269.80 : x - Step 2: Convert to fraction form
442,854.20/664,281.30 = 265,269.80/x - Step 3: Cross multiply
442,854.20x = 664,281.30 × 265,269.80 - Step 4: Simplify right side
442,854.20x = 176,213,767,594.74 - Step 5: Solve for x
x = 176,213,767,594.74/442,854.20 - Step 6: Final answer
x = 397,904.70
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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.