Home / 346,827.80-520,283.35-122,141.77

Finding the Fourth Proportional to 346,827.80, 520,283.35 and 122,141.77

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Solution

The fourth proportional to 346,827.80, 520,283.35 and 122,141.77 is: 183,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,827.80 : 520,283.35 = 122,141.77 : x
  2. Step 2: Convert to fraction form
    346,827.80/520,283.35 = 122,141.77/x
  3. Step 3: Cross multiply
    346,827.80x = 520,283.35 × 122,141.77
  4. Step 4: Simplify right side
    346,827.80x = 63,548,328,122.50
  5. Step 5: Solve for x
    x = 63,548,328,122.50/346,827.80
  6. Step 6: Final answer
    x = 183,227.32

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1.5x scale

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.