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Finding the Fourth Proportional to 245,371.60, 366,266.70 and 210,535.12

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Solution

The fourth proportional to 245,371.60, 366,266.70 and 210,535.12 is: 314,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,371.60 : 366,266.70 = 210,535.12 : x
  2. Step 2: Convert to fraction form
    245,371.60/366,266.70 = 210,535.12/x
  3. Step 3: Cross multiply
    245,371.60x = 366,266.70 × 210,535.12
  4. Step 4: Simplify right side
    245,371.60x = 77,112,003,636.50
  5. Step 5: Solve for x
    x = 77,112,003,636.50/245,371.60
  6. Step 6: Final answer
    x = 314,266.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.