Home / 346,036.34-477,231.81-225,133.46

Finding the Fourth Proportional to 346,036.34, 477,231.81 and 225,133.46

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Solution

The fourth proportional to 346,036.34, 477,231.81 and 225,133.46 is: 310,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,036.34 : 477,231.81 = 225,133.46 : x
  2. Step 2: Convert to fraction form
    346,036.34/477,231.81 = 225,133.46/x
  3. Step 3: Cross multiply
    346,036.34x = 477,231.81 × 225,133.46
  4. Step 4: Simplify right side
    346,036.34x = 107,440,848,607.36
  5. Step 5: Solve for x
    x = 107,440,848,607.36/346,036.34
  6. Step 6: Final answer
    x = 310,490.07

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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.