Home / 380,848.43-571,333.10-153,143.46

Finding the Fourth Proportional to 380,848.43, 571,333.10 and 153,143.46

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Solution

The fourth proportional to 380,848.43, 571,333.10 and 153,143.46 is: 229,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,848.43 : 571,333.10 = 153,143.46 : x
  2. Step 2: Convert to fraction form
    380,848.43/571,333.10 = 153,143.46/x
  3. Step 3: Cross multiply
    380,848.43x = 571,333.10 × 153,143.46
  4. Step 4: Simplify right side
    380,848.43x = 87,495,926,980.81
  5. Step 5: Solve for x
    x = 87,495,926,980.81/380,848.43
  6. Step 6: Final answer
    x = 229,739.50

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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.