Finding the Fourth Proportional to 454,074.24, 625,967.91 and 317,685.63
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Solution
The fourth proportional to 454,074.24, 625,967.91 and 317,685.63 is: 437,948.23
Step by Step Solution
- Step 1: Write the proportion equation
454,074.24 : 625,967.91 = 317,685.63 : x - Step 2: Convert to fraction form
454,074.24/625,967.91 = 317,685.63/x - Step 3: Cross multiply
454,074.24x = 625,967.91 × 317,685.63 - Step 4: Simplify right side
454,074.24x = 198,861,009,848.13 - Step 5: Solve for x
x = 198,861,009,848.13/454,074.24 - Step 6: Final answer
x = 437,948.23
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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.