Finding the Fourth Proportional to 352,332.71, 486,213.94 and 207,154.86
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Solution
The fourth proportional to 352,332.71, 486,213.94 and 207,154.86 is: 285,870.65
Step by Step Solution
- Step 1: Write the proportion equation
352,332.71 : 486,213.94 = 207,154.86 : x - Step 2: Convert to fraction form
352,332.71/486,213.94 = 207,154.86/x - Step 3: Cross multiply
352,332.71x = 486,213.94 × 207,154.86 - Step 4: Simplify right side
352,332.71x = 100,721,580,670.75 - Step 5: Solve for x
x = 100,721,580,670.75/352,332.71 - Step 6: Final answer
x = 285,870.65
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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.