Home / 288,831.58-432,984.93-130,973.92

Finding the Fourth Proportional to 288,831.58, 432,984.93 and 130,973.92

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Solution

The fourth proportional to 288,831.58, 432,984.93 and 130,973.92 is: 196,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,831.58 : 432,984.93 = 130,973.92 : x
  2. Step 2: Convert to fraction form
    288,831.58/432,984.93 = 130,973.92/x
  3. Step 3: Cross multiply
    288,831.58x = 432,984.93 × 130,973.92
  4. Step 4: Simplify right side
    288,831.58x = 56,709,732,009.41
  5. Step 5: Solve for x
    x = 56,709,732,009.41/288,831.58
  6. Step 6: Final answer
    x = 196,341.87

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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.