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Finding the Fourth Proportional to 286,955.82, 430,444.62 and 146,550.42

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Solution

The fourth proportional to 286,955.82, 430,444.62 and 146,550.42 is: 219,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,955.82 : 430,444.62 = 146,550.42 : x
  2. Step 2: Convert to fraction form
    286,955.82/430,444.62 = 146,550.42/x
  3. Step 3: Cross multiply
    286,955.82x = 430,444.62 × 146,550.42
  4. Step 4: Simplify right side
    286,955.82x = 63,081,839,847.74
  5. Step 5: Solve for x
    x = 63,081,839,847.74/286,955.82
  6. Step 6: Final answer
    x = 219,831.19

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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.