Home / 288,831.17-432,984.32-130,973.51

Finding the Fourth Proportional to 288,831.17, 432,984.32 and 130,973.51

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Solution

The fourth proportional to 288,831.17, 432,984.32 and 130,973.51 is: 196,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,831.17 : 432,984.32 = 130,973.51 : x
  2. Step 2: Convert to fraction form
    288,831.17/432,984.32 = 130,973.51/x
  3. Step 3: Cross multiply
    288,831.17x = 432,984.32 × 130,973.51
  4. Step 4: Simplify right side
    288,831.17x = 56,709,476,165.36
  5. Step 5: Solve for x
    x = 56,709,476,165.36/288,831.17
  6. Step 6: Final answer
    x = 196,341.26

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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.