Finding the Fourth Proportional to 442,303.20, 662,329.18 and 292,318.74
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Solution
The fourth proportional to 442,303.20, 662,329.18 and 292,318.74 is: 437,734.18
Step by Step Solution
- Step 1: Write the proportion equation
442,303.20 : 662,329.18 = 292,318.74 : x - Step 2: Convert to fraction form
442,303.20/662,329.18 = 292,318.74/x - Step 3: Cross multiply
442,303.20x = 662,329.18 × 292,318.74 - Step 4: Simplify right side
442,303.20x = 193,611,229,901.24 - Step 5: Solve for x
x = 193,611,229,901.24/442,303.20 - Step 6: Final answer
x = 437,734.18
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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.