Home / 291,685.03-402,510.90-164,368.82

Finding the Fourth Proportional to 291,685.03, 402,510.90 and 164,368.82

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Solution

The fourth proportional to 291,685.03, 402,510.90 and 164,368.82 is: 226,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,685.03 : 402,510.90 = 164,368.82 : x
  2. Step 2: Convert to fraction form
    291,685.03/402,510.90 = 164,368.82/x
  3. Step 3: Cross multiply
    291,685.03x = 402,510.90 × 164,368.82
  4. Step 4: Simplify right side
    291,685.03x = 66,160,243,292.80
  5. Step 5: Solve for x
    x = 66,160,243,292.80/291,685.03
  6. Step 6: Final answer
    x = 226,820.84

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1.5x scale

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.