Finding the Fourth Proportional to 398,203.64, 597,392.84 and 292,702.76
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Solution
The fourth proportional to 398,203.64, 597,392.84 and 292,702.76 is: 439,118.37
Step by Step Solution
- Step 1: Write the proportion equation
398,203.64 : 597,392.84 = 292,702.76 : x - Step 2: Convert to fraction form
398,203.64/597,392.84 = 292,702.76/x - Step 3: Cross multiply
398,203.64x = 597,392.84 × 292,702.76 - Step 4: Simplify right side
398,203.64x = 174,858,533,072.24 - Step 5: Solve for x
x = 174,858,533,072.24/398,203.64 - Step 6: Final answer
x = 439,118.37
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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.