Finding the Fourth Proportional to 219,655.08, 329,357.64 and 86,463.12
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Solution
The fourth proportional to 219,655.08, 329,357.64 and 86,463.12 is: 129,645.48
Step by Step Solution
- Step 1: Write the proportion equation
219,655.08 : 329,357.64 = 86,463.12 : x - Step 2: Convert to fraction form
219,655.08/329,357.64 = 86,463.12/x - Step 3: Cross multiply
219,655.08x = 329,357.64 × 86,463.12 - Step 4: Simplify right side
219,655.08x = 28,477,289,150.24 - Step 5: Solve for x
x = 28,477,289,150.24/219,655.08 - Step 6: Final answer
x = 129,645.48
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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.