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Finding the Fourth Proportional to 438,507.04, 605,140.32 and 237,303.04

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Solution

The fourth proportional to 438,507.04, 605,140.32 and 237,303.04 is: 327,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,507.04 : 605,140.32 = 237,303.04 : x
  2. Step 2: Convert to fraction form
    438,507.04/605,140.32 = 237,303.04/x
  3. Step 3: Cross multiply
    438,507.04x = 605,140.32 × 237,303.04
  4. Step 4: Simplify right side
    438,507.04x = 143,601,637,562.57
  5. Step 5: Solve for x
    x = 143,601,637,562.57/438,507.04
  6. Step 6: Final answer
    x = 327,478.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.