Finding the Fourth Proportional to 261,681.06, 361,118.84 and 146,943.74
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Solution
The fourth proportional to 261,681.06, 361,118.84 and 146,943.74 is: 202,781.79
Step by Step Solution
- Step 1: Write the proportion equation
261,681.06 : 361,118.84 = 146,943.74 : x - Step 2: Convert to fraction form
261,681.06/361,118.84 = 146,943.74/x - Step 3: Cross multiply
261,681.06x = 361,118.84 × 146,943.74 - Step 4: Simplify right side
261,681.06x = 53,064,152,934.06 - Step 5: Solve for x
x = 53,064,152,934.06/261,681.06 - Step 6: Final answer
x = 202,781.79
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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.