Finding the Fourth Proportional to 310,919.50, 466,391.40 and 97,832.80
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Solution
The fourth proportional to 310,919.50, 466,391.40 and 97,832.80 is: 146,753.02
Step by Step Solution
- Step 1: Write the proportion equation
310,919.50 : 466,391.40 = 97,832.80 : x - Step 2: Convert to fraction form
310,919.50/466,391.40 = 97,832.80/x - Step 3: Cross multiply
310,919.50x = 466,391.40 × 97,832.80 - Step 4: Simplify right side
310,919.50x = 45,628,376,557.92 - Step 5: Solve for x
x = 45,628,376,557.92/310,919.50 - Step 6: Final answer
x = 146,753.02
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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.