Home / 430,881.06-646,467.16-190,962.15

Finding the Fourth Proportional to 430,881.06, 646,467.16 and 190,962.15

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Solution

The fourth proportional to 430,881.06, 646,467.16 and 190,962.15 is: 286,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,881.06 : 646,467.16 = 190,962.15 : x
  2. Step 2: Convert to fraction form
    430,881.06/646,467.16 = 190,962.15/x
  3. Step 3: Cross multiply
    430,881.06x = 646,467.16 × 190,962.15
  4. Step 4: Simplify right side
    430,881.06x = 123,450,758,777.99
  5. Step 5: Solve for x
    x = 123,450,758,777.99/430,881.06
  6. Step 6: Final answer
    x = 286,507.74

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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.