Finding the Fourth Proportional to 509,154.32, 702,554.84 and 294,252.87
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Solution
The fourth proportional to 509,154.32, 702,554.84 and 294,252.87 is: 406,023.81
Step by Step Solution
- Step 1: Write the proportion equation
509,154.32 : 702,554.84 = 294,252.87 : x - Step 2: Convert to fraction form
509,154.32/702,554.84 = 294,252.87/x - Step 3: Cross multiply
509,154.32x = 702,554.84 × 294,252.87 - Step 4: Simplify right side
509,154.32x = 206,728,776,531.13 - Step 5: Solve for x
x = 206,728,776,531.13/509,154.32 - Step 6: Final answer
x = 406,023.81
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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.