Finding the Fourth Proportional to 368,378.76, 508,357.62 and 207,233.76
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Solution
The fourth proportional to 368,378.76, 508,357.62 and 207,233.76 is: 285,979.74
Step by Step Solution
- Step 1: Write the proportion equation
368,378.76 : 508,357.62 = 207,233.76 : x - Step 2: Convert to fraction form
368,378.76/508,357.62 = 207,233.76/x - Step 3: Cross multiply
368,378.76x = 508,357.62 × 207,233.76 - Step 4: Simplify right side
368,378.76x = 105,348,861,017.25 - Step 5: Solve for x
x = 105,348,861,017.25/368,378.76 - Step 6: Final answer
x = 285,979.74
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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.