Home / 470,350.64-705,623.16-154,826.48

Finding the Fourth Proportional to 470,350.64, 705,623.16 and 154,826.48

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Solution

The fourth proportional to 470,350.64, 705,623.16 and 154,826.48 is: 232,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,350.64 : 705,623.16 = 154,826.48 : x
  2. Step 2: Convert to fraction form
    470,350.64/705,623.16 = 154,826.48/x
  3. Step 3: Cross multiply
    470,350.64x = 705,623.16 × 154,826.48
  4. Step 4: Simplify right side
    470,350.64x = 109,249,150,069.28
  5. Step 5: Solve for x
    x = 109,249,150,069.28/470,350.64
  6. Step 6: Final answer
    x = 232,271.72

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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.