Finding the Fourth Proportional to 384,478.68, 576,390.86 and 234,823.95
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Solution
The fourth proportional to 384,478.68, 576,390.86 and 234,823.95 is: 352,036.11
Step by Step Solution
- Step 1: Write the proportion equation
384,478.68 : 576,390.86 = 234,823.95 : x - Step 2: Convert to fraction form
384,478.68/576,390.86 = 234,823.95/x - Step 3: Cross multiply
384,478.68x = 576,390.86 × 234,823.95 - Step 4: Simplify right side
384,478.68x = 135,350,378,489.10 - Step 5: Solve for x
x = 135,350,378,489.10/384,478.68 - Step 6: Final answer
x = 352,036.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.