Home / 291,931.80-437,897.70-159,071.55

Finding the Fourth Proportional to 291,931.80, 437,897.70 and 159,071.55

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Solution

The fourth proportional to 291,931.80, 437,897.70 and 159,071.55 is: 238,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,931.80 : 437,897.70 = 159,071.55 : x
  2. Step 2: Convert to fraction form
    291,931.80/437,897.70 = 159,071.55/x
  3. Step 3: Cross multiply
    291,931.80x = 437,897.70 × 159,071.55
  4. Step 4: Simplify right side
    291,931.80x = 69,657,065,880.44
  5. Step 5: Solve for x
    x = 69,657,065,880.44/291,931.80
  6. Step 6: Final answer
    x = 238,607.33

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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.