Finding the Fourth Proportional to 390,734.76, 586,149.60 and 110,252.04
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Solution
The fourth proportional to 390,734.76, 586,149.60 and 110,252.04 is: 165,391.45
Step by Step Solution
- Step 1: Write the proportion equation
390,734.76 : 586,149.60 = 110,252.04 : x - Step 2: Convert to fraction form
390,734.76/586,149.60 = 110,252.04/x - Step 3: Cross multiply
390,734.76x = 586,149.60 × 110,252.04 - Step 4: Simplify right side
390,734.76x = 64,624,189,145.18 - Step 5: Solve for x
x = 64,624,189,145.18/390,734.76 - Step 6: Final answer
x = 165,391.45
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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.