Home / 346,822.56-478,550.16-219,408.48

Finding the Fourth Proportional to 346,822.56, 478,550.16 and 219,408.48

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Solution

The fourth proportional to 346,822.56, 478,550.16 and 219,408.48 is: 302,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,822.56 : 478,550.16 = 219,408.48 : x
  2. Step 2: Convert to fraction form
    346,822.56/478,550.16 = 219,408.48/x
  3. Step 3: Cross multiply
    346,822.56x = 478,550.16 × 219,408.48
  4. Step 4: Simplify right side
    346,822.56x = 104,997,963,209.36
  5. Step 5: Solve for x
    x = 104,997,963,209.36/346,822.56
  6. Step 6: Final answer
    x = 302,742.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.