Finding the Fourth Proportional to 368,739.59, 508,821.68 and 207,591.71
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Solution
The fourth proportional to 368,739.59, 508,821.68 and 207,591.71 is: 286,454.63
Step by Step Solution
- Step 1: Write the proportion equation
368,739.59 : 508,821.68 = 207,591.71 : x - Step 2: Convert to fraction form
368,739.59/508,821.68 = 207,591.71/x - Step 3: Cross multiply
368,739.59x = 508,821.68 × 207,591.71 - Step 4: Simplify right side
368,739.59x = 105,627,160,611.14 - Step 5: Solve for x
x = 105,627,160,611.14/368,739.59 - Step 6: Final answer
x = 286,454.63
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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.