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Finding the Fourth Proportional to 473,292.21, 709,777.37 and 153,357.35

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Solution

The fourth proportional to 473,292.21, 709,777.37 and 153,357.35 is: 229,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,292.21 : 709,777.37 = 153,357.35 : x
  2. Step 2: Convert to fraction form
    473,292.21/709,777.37 = 153,357.35/x
  3. Step 3: Cross multiply
    473,292.21x = 709,777.37 × 153,357.35
  4. Step 4: Simplify right side
    473,292.21x = 108,849,572,237.50
  5. Step 5: Solve for x
    x = 108,849,572,237.50/473,292.21
  6. Step 6: Final answer
    x = 229,983.87

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1.5x scale

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.