Home / 436,746.60-655,116.09-121,203.51

Finding the Fourth Proportional to 436,746.60, 655,116.09 and 121,203.51

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Solution

The fourth proportional to 436,746.60, 655,116.09 and 121,203.51 is: 181,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,746.60 : 655,116.09 = 121,203.51 : x
  2. Step 2: Convert to fraction form
    436,746.60/655,116.09 = 121,203.51/x
  3. Step 3: Cross multiply
    436,746.60x = 655,116.09 × 121,203.51
  4. Step 4: Simplify right side
    436,746.60x = 79,402,369,565.48
  5. Step 5: Solve for x
    x = 79,402,369,565.48/436,746.60
  6. Step 6: Final answer
    x = 181,804.21

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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.