Finding the Fourth Proportional to 141,572.12, 212,357.95 and 97,063.94
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Solution
The fourth proportional to 141,572.12, 212,357.95 and 97,063.94 is: 145,595.75
Step by Step Solution
- Step 1: Write the proportion equation
141,572.12 : 212,357.95 = 97,063.94 : x - Step 2: Convert to fraction form
141,572.12/212,357.95 = 97,063.94/x - Step 3: Cross multiply
141,572.12x = 212,357.95 × 97,063.94 - Step 4: Simplify right side
141,572.12x = 20,612,298,957.03 - Step 5: Solve for x
x = 20,612,298,957.03/141,572.12 - Step 6: Final answer
x = 145,595.75
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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.