Home / 286,905.18-430,410.02-94,790.60

Finding the Fourth Proportional to 286,905.18, 430,410.02 and 94,790.60

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Solution

The fourth proportional to 286,905.18, 430,410.02 and 94,790.60 is: 142,203.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,905.18 : 430,410.02 = 94,790.60 : x
  2. Step 2: Convert to fraction form
    286,905.18/430,410.02 = 94,790.60/x
  3. Step 3: Cross multiply
    286,905.18x = 430,410.02 × 94,790.60
  4. Step 4: Simplify right side
    286,905.18x = 40,798,821,415.81
  5. Step 5: Solve for x
    x = 40,798,821,415.81/286,905.18
  6. Step 6: Final answer
    x = 142,203.15

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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.