Home / 261,692.18-392,533.71-143,298.94

Finding the Fourth Proportional to 261,692.18, 392,533.71 and 143,298.94

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Solution

The fourth proportional to 261,692.18, 392,533.71 and 143,298.94 is: 214,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,692.18 : 392,533.71 = 143,298.94 : x
  2. Step 2: Convert to fraction form
    261,692.18/392,533.71 = 143,298.94/x
  3. Step 3: Cross multiply
    261,692.18x = 392,533.71 × 143,298.94
  4. Step 4: Simplify right side
    261,692.18x = 56,249,664,557.27
  5. Step 5: Solve for x
    x = 56,249,664,557.27/261,692.18
  6. Step 6: Final answer
    x = 214,945.91

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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.