Finding the Fourth Proportional to 430,831.30, 646,246.95 and 164,454.70
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Solution
The fourth proportional to 430,831.30, 646,246.95 and 164,454.70 is: 246,682.05
Step by Step Solution
- Step 1: Write the proportion equation
430,831.30 : 646,246.95 = 164,454.70 : x - Step 2: Convert to fraction form
430,831.30/646,246.95 = 164,454.70/x - Step 3: Cross multiply
430,831.30x = 646,246.95 × 164,454.70 - Step 4: Simplify right side
430,831.30x = 106,278,348,288.17 - Step 5: Solve for x
x = 106,278,348,288.17/430,831.30 - Step 6: Final answer
x = 246,682.05
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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.