Home / 369,302.10-554,390.55-209,505.30

Finding the Fourth Proportional to 369,302.10, 554,390.55 and 209,505.30

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Solution

The fourth proportional to 369,302.10, 554,390.55 and 209,505.30 is: 314,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,302.10 : 554,390.55 = 209,505.30 : x
  2. Step 2: Convert to fraction form
    369,302.10/554,390.55 = 209,505.30/x
  3. Step 3: Cross multiply
    369,302.10x = 554,390.55 × 209,505.30
  4. Step 4: Simplify right side
    369,302.10x = 116,147,758,494.92
  5. Step 5: Solve for x
    x = 116,147,758,494.92/369,302.10
  6. Step 6: Final answer
    x = 314,506.09

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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.