Finding the Fourth Proportional to 525,221.10, 787,831.65 and 170,246.70
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Solution
The fourth proportional to 525,221.10, 787,831.65 and 170,246.70 is: 255,370.05
Step by Step Solution
- Step 1: Write the proportion equation
525,221.10 : 787,831.65 = 170,246.70 : x - Step 2: Convert to fraction form
525,221.10/787,831.65 = 170,246.70/x - Step 3: Cross multiply
525,221.10x = 787,831.65 × 170,246.70 - Step 4: Simplify right side
525,221.10x = 134,125,738,568.06 - Step 5: Solve for x
x = 134,125,738,568.06/525,221.10 - Step 6: Final answer
x = 255,370.05
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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.