Home / 228,386.74-315,153.96-126,412.33

Finding the Fourth Proportional to 228,386.74, 315,153.96 and 126,412.33

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Solution

The fourth proportional to 228,386.74, 315,153.96 and 126,412.33 is: 174,438.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,386.74 : 315,153.96 = 126,412.33 : x
  2. Step 2: Convert to fraction form
    228,386.74/315,153.96 = 126,412.33/x
  3. Step 3: Cross multiply
    228,386.74x = 315,153.96 × 126,412.33
  4. Step 4: Simplify right side
    228,386.74x = 39,839,346,392.33
  5. Step 5: Solve for x
    x = 39,839,346,392.33/228,386.74
  6. Step 6: Final answer
    x = 174,438.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.