Home / 472,172.08-708,256.98-147,985

Finding the Fourth Proportional to 472,172.08, 708,256.98 and 147,985

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Solution

The fourth proportional to 472,172.08, 708,256.98 and 147,985 is: 221,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,172.08 : 708,256.98 = 147,985 : x
  2. Step 2: Convert to fraction form
    472,172.08/708,256.98 = 147,985/x
  3. Step 3: Cross multiply
    472,172.08x = 708,256.98 × 147,985
  4. Step 4: Simplify right side
    472,172.08x = 104,811,409,185.30
  5. Step 5: Solve for x
    x = 104,811,409,185.30/472,172.08
  6. Step 6: Final answer
    x = 221,977.14

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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.