Home / 346,018.72-477,424.32-210,049.36

Finding the Fourth Proportional to 346,018.72, 477,424.32 and 210,049.36

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Solution

The fourth proportional to 346,018.72, 477,424.32 and 210,049.36 is: 289,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,018.72 : 477,424.32 = 210,049.36 : x
  2. Step 2: Convert to fraction form
    346,018.72/477,424.32 = 210,049.36/x
  3. Step 3: Cross multiply
    346,018.72x = 477,424.32 × 210,049.36
  4. Step 4: Simplify right side
    346,018.72x = 100,282,672,864.44
  5. Step 5: Solve for x
    x = 100,282,672,864.44/346,018.72
  6. Step 6: Final answer
    x = 289,818.63

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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.