Finding the Fourth Proportional to 402,685.00, 555,691.09 and 221,395.53
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Solution
The fourth proportional to 402,685.00, 555,691.09 and 221,395.53 is: 305,518.02
Step by Step Solution
- Step 1: Write the proportion equation
402,685.00 : 555,691.09 = 221,395.53 : x - Step 2: Convert to fraction form
402,685.00/555,691.09 = 221,395.53/x - Step 3: Cross multiply
402,685.00x = 555,691.09 × 221,395.53 - Step 4: Simplify right side
402,685.00x = 123,027,523,386.83 - Step 5: Solve for x
x = 123,027,523,386.83/402,685.00 - Step 6: Final answer
x = 305,518.02
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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.