Home / 374,325.90-561,427.35-134,390.13

Finding the Fourth Proportional to 374,325.90, 561,427.35 and 134,390.13

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Solution

The fourth proportional to 374,325.90, 561,427.35 and 134,390.13 is: 201,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,325.90 : 561,427.35 = 134,390.13 : x
  2. Step 2: Convert to fraction form
    374,325.90/561,427.35 = 134,390.13/x
  3. Step 3: Cross multiply
    374,325.90x = 561,427.35 × 134,390.13
  4. Step 4: Simplify right side
    374,325.90x = 75,450,294,552.06
  5. Step 5: Solve for x
    x = 75,450,294,552.06/374,325.90
  6. Step 6: Final answer
    x = 201,563.12

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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.