Finding the Fourth Proportional to 423,044.61, 583,471.62 and 261,989.07
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Solution
The fourth proportional to 423,044.61, 583,471.62 and 261,989.07 is: 361,340.59
Step by Step Solution
- Step 1: Write the proportion equation
423,044.61 : 583,471.62 = 261,989.07 : x - Step 2: Convert to fraction form
423,044.61/583,471.62 = 261,989.07/x - Step 3: Cross multiply
423,044.61x = 583,471.62 × 261,989.07 - Step 4: Simplify right side
423,044.61x = 152,863,187,095.19 - Step 5: Solve for x
x = 152,863,187,095.19/423,044.61 - Step 6: Final answer
x = 361,340.59
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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.