Home / 346,450.20-519,675.30-288,130.20

Finding the Fourth Proportional to 346,450.20, 519,675.30 and 288,130.20

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Solution

The fourth proportional to 346,450.20, 519,675.30 and 288,130.20 is: 432,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,450.20 : 519,675.30 = 288,130.20 : x
  2. Step 2: Convert to fraction form
    346,450.20/519,675.30 = 288,130.20/x
  3. Step 3: Cross multiply
    346,450.20x = 519,675.30 × 288,130.20
  4. Step 4: Simplify right side
    346,450.20x = 149,734,148,124.06
  5. Step 5: Solve for x
    x = 149,734,148,124.06/346,450.20
  6. Step 6: Final answer
    x = 432,195.30

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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.