Home / 351,210.20-484,670.12-190,065.29

Finding the Fourth Proportional to 351,210.20, 484,670.12 and 190,065.29

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Solution

The fourth proportional to 351,210.20, 484,670.12 and 190,065.29 is: 262,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,210.20 : 484,670.12 = 190,065.29 : x
  2. Step 2: Convert to fraction form
    351,210.20/484,670.12 = 190,065.29/x
  3. Step 3: Cross multiply
    351,210.20x = 484,670.12 × 190,065.29
  4. Step 4: Simplify right side
    351,210.20x = 92,118,963,538.46
  5. Step 5: Solve for x
    x = 92,118,963,538.46/351,210.20
  6. Step 6: Final answer
    x = 262,290.12

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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.