Finding the Fourth Proportional to 97,205.20, 145,785.93 and 34,875.70
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Solution
The fourth proportional to 97,205.20, 145,785.93 and 34,875.70 is: 52,305.70
Step by Step Solution
- Step 1: Write the proportion equation
97,205.20 : 145,785.93 = 34,875.70 : x - Step 2: Convert to fraction form
97,205.20/145,785.93 = 34,875.70/x - Step 3: Cross multiply
97,205.20x = 145,785.93 × 34,875.70 - Step 4: Simplify right side
97,205.20x = 5,084,386,358.90 - Step 5: Solve for x
x = 5,084,386,358.90/97,205.20 - Step 6: Final answer
x = 52,305.70
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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.