Finding the Fourth Proportional to 368,887.28, 509,073.93 and 207,747.90
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Solution
The fourth proportional to 368,887.28, 509,073.93 and 207,747.90 is: 286,697.45
Step by Step Solution
- Step 1: Write the proportion equation
368,887.28 : 509,073.93 = 207,747.90 : x - Step 2: Convert to fraction form
368,887.28/509,073.93 = 207,747.90/x - Step 3: Cross multiply
368,887.28x = 509,073.93 × 207,747.90 - Step 4: Simplify right side
368,887.28x = 105,759,039,902.25 - Step 5: Solve for x
x = 105,759,039,902.25/368,887.28 - Step 6: Final answer
x = 286,697.45
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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.