Home / 228,637.76-342,831.36-70,822.40

Finding the Fourth Proportional to 228,637.76, 342,831.36 and 70,822.40

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Solution

The fourth proportional to 228,637.76, 342,831.36 and 70,822.40 is: 106,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,637.76 : 342,831.36 = 70,822.40 : x
  2. Step 2: Convert to fraction form
    228,637.76/342,831.36 = 70,822.40/x
  3. Step 3: Cross multiply
    228,637.76x = 342,831.36 × 70,822.40
  4. Step 4: Simplify right side
    228,637.76x = 24,280,139,710.46
  5. Step 5: Solve for x
    x = 24,280,139,710.46/228,637.76
  6. Step 6: Final answer
    x = 106,194.79

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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.