Home / 346,329.30-519,421.05-146,656.20

Finding the Fourth Proportional to 346,329.30, 519,421.05 and 146,656.20

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Solution

The fourth proportional to 346,329.30, 519,421.05 and 146,656.20 is: 219,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,329.30 : 519,421.05 = 146,656.20 : x
  2. Step 2: Convert to fraction form
    346,329.30/519,421.05 = 146,656.20/x
  3. Step 3: Cross multiply
    346,329.30x = 519,421.05 × 146,656.20
  4. Step 4: Simplify right side
    346,329.30x = 76,176,317,393.01
  5. Step 5: Solve for x
    x = 76,176,317,393.01/346,329.30
  6. Step 6: Final answer
    x = 219,953.43

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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.