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Finding the Fourth Proportional to 245,315.30, 367,972.95 and 210,323.30

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Solution

The fourth proportional to 245,315.30, 367,972.95 and 210,323.30 is: 315,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,315.30 : 367,972.95 = 210,323.30 : x
  2. Step 2: Convert to fraction form
    245,315.30/367,972.95 = 210,323.30/x
  3. Step 3: Cross multiply
    245,315.30x = 367,972.95 × 210,323.30
  4. Step 4: Simplify right side
    245,315.30x = 77,393,285,154.74
  5. Step 5: Solve for x
    x = 77,393,285,154.74/245,315.30
  6. Step 6: Final answer
    x = 315,484.95

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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.