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Finding the Fourth Proportional to 384,116.16, 530,307.36 and 276,962.88

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Solution

The fourth proportional to 384,116.16, 530,307.36 and 276,962.88 is: 382,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,116.16 : 530,307.36 = 276,962.88 : x
  2. Step 2: Convert to fraction form
    384,116.16/530,307.36 = 276,962.88/x
  3. Step 3: Cross multiply
    384,116.16x = 530,307.36 × 276,962.88
  4. Step 4: Simplify right side
    384,116.16x = 146,875,453,710.80
  5. Step 5: Solve for x
    x = 146,875,453,710.80/384,116.16
  6. Step 6: Final answer
    x = 382,372.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.