Home / 475,128.36-712,782.27-190,841.22

Finding the Fourth Proportional to 475,128.36, 712,782.27 and 190,841.22

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Solution

The fourth proportional to 475,128.36, 712,782.27 and 190,841.22 is: 286,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,128.36 : 712,782.27 = 190,841.22 : x
  2. Step 2: Convert to fraction form
    475,128.36/712,782.27 = 190,841.22/x
  3. Step 3: Cross multiply
    475,128.36x = 712,782.27 × 190,841.22
  4. Step 4: Simplify right side
    475,128.36x = 136,028,238,001.17
  5. Step 5: Solve for x
    x = 136,028,238,001.17/475,128.36
  6. Step 6: Final answer
    x = 286,297.87

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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.