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Finding the Fourth Proportional to 374,519.40, 561,779.10 and 248,548.20

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Solution

The fourth proportional to 374,519.40, 561,779.10 and 248,548.20 is: 372,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,519.40 : 561,779.10 = 248,548.20 : x
  2. Step 2: Convert to fraction form
    374,519.40/561,779.10 = 248,548.20/x
  3. Step 3: Cross multiply
    374,519.40x = 561,779.10 × 248,548.20
  4. Step 4: Simplify right side
    374,519.40x = 139,629,184,102.62
  5. Step 5: Solve for x
    x = 139,629,184,102.62/374,519.40
  6. Step 6: Final answer
    x = 372,822.30

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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.