Home / 438,051.30-657,076.95-228,099.30

Finding the Fourth Proportional to 438,051.30, 657,076.95 and 228,099.30

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Solution

The fourth proportional to 438,051.30, 657,076.95 and 228,099.30 is: 342,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,051.30 : 657,076.95 = 228,099.30 : x
  2. Step 2: Convert to fraction form
    438,051.30/657,076.95 = 228,099.30/x
  3. Step 3: Cross multiply
    438,051.30x = 657,076.95 × 228,099.30
  4. Step 4: Simplify right side
    438,051.30x = 149,878,792,341.14
  5. Step 5: Solve for x
    x = 149,878,792,341.14/438,051.30
  6. Step 6: Final answer
    x = 342,148.95

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1.5x scale

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.