Home / 304,670.10-420,439.58-168,701.12

Finding the Fourth Proportional to 304,670.10, 420,439.58 and 168,701.12

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Solution

The fourth proportional to 304,670.10, 420,439.58 and 168,701.12 is: 232,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,670.10 : 420,439.58 = 168,701.12 : x
  2. Step 2: Convert to fraction form
    304,670.10/420,439.58 = 168,701.12/x
  3. Step 3: Cross multiply
    304,670.10x = 420,439.58 × 168,701.12
  4. Step 4: Simplify right side
    304,670.10x = 70,928,628,038.33
  5. Step 5: Solve for x
    x = 70,928,628,038.33/304,670.10
  6. Step 6: Final answer
    x = 232,804.69

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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.