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Finding the Fourth Proportional to 430,626.16, 594,252.12 and 239,646.32

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Solution

The fourth proportional to 430,626.16, 594,252.12 and 239,646.32 is: 330,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,626.16 : 594,252.12 = 239,646.32 : x
  2. Step 2: Convert to fraction form
    430,626.16/594,252.12 = 239,646.32/x
  3. Step 3: Cross multiply
    430,626.16x = 594,252.12 × 239,646.32
  4. Step 4: Simplify right side
    430,626.16x = 142,410,333,710.20
  5. Step 5: Solve for x
    x = 142,410,333,710.20/430,626.16
  6. Step 6: Final answer
    x = 330,705.25

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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.