Home / 346,905.40-520,358.10-160,281.40

Finding the Fourth Proportional to 346,905.40, 520,358.10 and 160,281.40

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Solution

The fourth proportional to 346,905.40, 520,358.10 and 160,281.40 is: 240,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,905.40 : 520,358.10 = 160,281.40 : x
  2. Step 2: Convert to fraction form
    346,905.40/520,358.10 = 160,281.40/x
  3. Step 3: Cross multiply
    346,905.40x = 520,358.10 × 160,281.40
  4. Step 4: Simplify right side
    346,905.40x = 83,403,724,769.34
  5. Step 5: Solve for x
    x = 83,403,724,769.34/346,905.40
  6. Step 6: Final answer
    x = 240,422.10

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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.