Home / 349,417.42-524,386.50-259,666.90

Finding the Fourth Proportional to 349,417.42, 524,386.50 and 259,666.90

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Solution

The fourth proportional to 349,417.42, 524,386.50 and 259,666.90 is: 389,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,417.42 : 524,386.50 = 259,666.90 : x
  2. Step 2: Convert to fraction form
    349,417.42/524,386.50 = 259,666.90/x
  3. Step 3: Cross multiply
    349,417.42x = 524,386.50 × 259,666.90
  4. Step 4: Simplify right side
    349,417.42x = 136,165,816,856.85
  5. Step 5: Solve for x
    x = 136,165,816,856.85/349,417.42
  6. Step 6: Final answer
    x = 389,693.84

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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.