Finding the Fourth Proportional to 431,909.57, 595,713.88 and 317,152.19
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Solution
The fourth proportional to 431,909.57, 595,713.88 and 317,152.19 is: 437,434.07
Step by Step Solution
- Step 1: Write the proportion equation
431,909.57 : 595,713.88 = 317,152.19 : x - Step 2: Convert to fraction form
431,909.57/595,713.88 = 317,152.19/x - Step 3: Cross multiply
431,909.57x = 595,713.88 × 317,152.19 - Step 4: Simplify right side
431,909.57x = 188,931,961,655.40 - Step 5: Solve for x
x = 188,931,961,655.40/431,909.57 - Step 6: Final answer
x = 437,434.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.