Home / 291,913.17-402,831.04-164,586.93

Finding the Fourth Proportional to 291,913.17, 402,831.04 and 164,586.93

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Solution

The fourth proportional to 291,913.17, 402,831.04 and 164,586.93 is: 227,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,913.17 : 402,831.04 = 164,586.93 : x
  2. Step 2: Convert to fraction form
    291,913.17/402,831.04 = 164,586.93/x
  3. Step 3: Cross multiply
    291,913.17x = 402,831.04 × 164,586.93
  4. Step 4: Simplify right side
    291,913.17x = 66,300,724,182.31
  5. Step 5: Solve for x
    x = 66,300,724,182.31/291,913.17
  6. Step 6: Final answer
    x = 227,124.81

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1.5x scale

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.