Finding the Fourth Proportional to 207,805.04, 286,875.24 and 136,294.64
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Solution
The fourth proportional to 207,805.04, 286,875.24 and 136,294.64 is: 188,155.00
Step by Step Solution
- Step 1: Write the proportion equation
207,805.04 : 286,875.24 = 136,294.64 : x - Step 2: Convert to fraction form
207,805.04/286,875.24 = 136,294.64/x - Step 3: Cross multiply
207,805.04x = 286,875.24 × 136,294.64 - Step 4: Simplify right side
207,805.04x = 39,099,557,560.71 - Step 5: Solve for x
x = 39,099,557,560.71/207,805.04 - Step 6: Final answer
x = 188,155.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.