Finding the Fourth Proportional to 97,283.68, 145,867.20 and 47,265.28
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Solution
The fourth proportional to 97,283.68, 145,867.20 and 47,265.28 is: 70,869.59
Step by Step Solution
- Step 1: Write the proportion equation
97,283.68 : 145,867.20 = 47,265.28 : x - Step 2: Convert to fraction form
97,283.68/145,867.20 = 47,265.28/x - Step 3: Cross multiply
97,283.68x = 145,867.20 × 47,265.28 - Step 4: Simplify right side
97,283.68x = 6,894,454,050.82 - Step 5: Solve for x
x = 6,894,454,050.82/97,283.68 - Step 6: Final answer
x = 70,869.59
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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.