Home / 319,155.61-440,429.48-175,928.98

Finding the Fourth Proportional to 319,155.61, 440,429.48 and 175,928.98

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Solution

The fourth proportional to 319,155.61, 440,429.48 and 175,928.98 is: 242,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,155.61 : 440,429.48 = 175,928.98 : x
  2. Step 2: Convert to fraction form
    319,155.61/440,429.48 = 175,928.98/x
  3. Step 3: Cross multiply
    319,155.61x = 440,429.48 × 175,928.98
  4. Step 4: Simplify right side
    319,155.61x = 77,484,308,517.08
  5. Step 5: Solve for x
    x = 77,484,308,517.08/319,155.61
  6. Step 6: Final answer
    x = 242,779.09

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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.