Home / 346,123.84-519,417.40-121,485.32

Finding the Fourth Proportional to 346,123.84, 519,417.40 and 121,485.32

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Solution

The fourth proportional to 346,123.84, 519,417.40 and 121,485.32 is: 182,309.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,123.84 : 519,417.40 = 121,485.32 : x
  2. Step 2: Convert to fraction form
    346,123.84/519,417.40 = 121,485.32/x
  3. Step 3: Cross multiply
    346,123.84x = 519,417.40 × 121,485.32
  4. Step 4: Simplify right side
    346,123.84x = 63,101,589,052.57
  5. Step 5: Solve for x
    x = 63,101,589,052.57/346,123.84
  6. Step 6: Final answer
    x = 182,309.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.