Home / 346,968.30-478,631.56-211,043.82

Finding the Fourth Proportional to 346,968.30, 478,631.56 and 211,043.82

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Solution

The fourth proportional to 346,968.30, 478,631.56 and 211,043.82 is: 291,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,968.30 : 478,631.56 = 211,043.82 : x
  2. Step 2: Convert to fraction form
    346,968.30/478,631.56 = 211,043.82/x
  3. Step 3: Cross multiply
    346,968.30x = 478,631.56 × 211,043.82
  4. Step 4: Simplify right side
    346,968.30x = 101,012,232,794.96
  5. Step 5: Solve for x
    x = 101,012,232,794.96/346,968.30
  6. Step 6: Final answer
    x = 291,128.13

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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.