Finding the Fourth Proportional to 219,656.08, 329,359.14 and 86,464.12
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Solution
The fourth proportional to 219,656.08, 329,359.14 and 86,464.12 is: 129,646.98
Step by Step Solution
- Step 1: Write the proportion equation
219,656.08 : 329,359.14 = 86,464.12 : x - Step 2: Convert to fraction form
219,656.08/329,359.14 = 86,464.12/x - Step 3: Cross multiply
219,656.08x = 329,359.14 × 86,464.12 - Step 4: Simplify right side
219,656.08x = 28,477,748,204.06 - Step 5: Solve for x
x = 28,477,748,204.06/219,656.08 - Step 6: Final answer
x = 129,646.98
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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.