Finding the Fourth Proportional to 447,571.32, 617,701.12 and 251,370.08
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Solution
The fourth proportional to 447,571.32, 617,701.12 and 251,370.08 is: 346,920.31
Step by Step Solution
- Step 1: Write the proportion equation
447,571.32 : 617,701.12 = 251,370.08 : x - Step 2: Convert to fraction form
447,571.32/617,701.12 = 251,370.08/x - Step 3: Cross multiply
447,571.32x = 617,701.12 × 251,370.08 - Step 4: Simplify right side
447,571.32x = 155,271,583,438.46 - Step 5: Solve for x
x = 155,271,583,438.46/447,571.32 - Step 6: Final answer
x = 346,920.31
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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.