Home / 349,831.91-524,746.06-136,621.46

Finding the Fourth Proportional to 349,831.91, 524,746.06 and 136,621.46

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Solution

The fourth proportional to 349,831.91, 524,746.06 and 136,621.46 is: 204,931.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,831.91 : 524,746.06 = 136,621.46 : x
  2. Step 2: Convert to fraction form
    349,831.91/524,746.06 = 136,621.46/x
  3. Step 3: Cross multiply
    349,831.91x = 524,746.06 × 136,621.46
  4. Step 4: Simplify right side
    349,831.91x = 71,691,572,846.45
  5. Step 5: Solve for x
    x = 71,691,572,846.45/349,831.91
  6. Step 6: Final answer
    x = 204,931.49

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1.5x scale

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.