Home / 319,484.40-440,883-176,258.16

Finding the Fourth Proportional to 319,484.40, 440,883 and 176,258.16

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Solution

The fourth proportional to 319,484.40, 440,883 and 176,258.16 is: 243,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,484.40 : 440,883 = 176,258.16 : x
  2. Step 2: Convert to fraction form
    319,484.40/440,883 = 176,258.16/x
  3. Step 3: Cross multiply
    319,484.40x = 440,883 × 176,258.16
  4. Step 4: Simplify right side
    319,484.40x = 77,709,226,355.28
  5. Step 5: Solve for x
    x = 77,709,226,355.28/319,484.40
  6. Step 6: Final answer
    x = 243,233.24

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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.