Home / 346,462.14-478,263.52-210,539.76

Finding the Fourth Proportional to 346,462.14, 478,263.52 and 210,539.76

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Solution

The fourth proportional to 346,462.14, 478,263.52 and 210,539.76 is: 290,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462.14 : 478,263.52 = 210,539.76 : x
  2. Step 2: Convert to fraction form
    346,462.14/478,263.52 = 210,539.76/x
  3. Step 3: Cross multiply
    346,462.14x = 478,263.52 × 210,539.76
  4. Step 4: Simplify right side
    346,462.14x = 100,693,486,717.56
  5. Step 5: Solve for x
    x = 100,693,486,717.56/346,462.14
  6. Step 6: Final answer
    x = 290,633.45

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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.