Home / 438,122.81-604,609.52-236,918.81

Finding the Fourth Proportional to 438,122.81, 604,609.52 and 236,918.81

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Solution

The fourth proportional to 438,122.81, 604,609.52 and 236,918.81 is: 326,947.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,122.81 : 604,609.52 = 236,918.81 : x
  2. Step 2: Convert to fraction form
    438,122.81/604,609.52 = 236,918.81/x
  3. Step 3: Cross multiply
    438,122.81x = 604,609.52 × 236,918.81
  4. Step 4: Simplify right side
    438,122.81x = 143,243,368,320.00
  5. Step 5: Solve for x
    x = 143,243,368,320.00/438,122.81
  6. Step 6: Final answer
    x = 326,947.98

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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.