Home / 346,667.90-520,001.85-169,288.70

Finding the Fourth Proportional to 346,667.90, 520,001.85 and 169,288.70

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Solution

The fourth proportional to 346,667.90, 520,001.85 and 169,288.70 is: 253,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,667.90 : 520,001.85 = 169,288.70 : x
  2. Step 2: Convert to fraction form
    346,667.90/520,001.85 = 169,288.70/x
  3. Step 3: Cross multiply
    346,667.90x = 520,001.85 × 169,288.70
  4. Step 4: Simplify right side
    346,667.90x = 88,030,437,184.10
  5. Step 5: Solve for x
    x = 88,030,437,184.10/346,667.90
  6. Step 6: Final answer
    x = 253,933.05

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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.