Home / 563,341.47-845,150.72-163,985.70

Finding the Fourth Proportional to 563,341.47, 845,150.72 and 163,985.70

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Solution

The fourth proportional to 563,341.47, 845,150.72 and 163,985.70 is: 246,018.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,341.47 : 845,150.72 = 163,985.70 : x
  2. Step 2: Convert to fraction form
    563,341.47/845,150.72 = 163,985.70/x
  3. Step 3: Cross multiply
    563,341.47x = 845,150.72 × 163,985.70
  4. Step 4: Simplify right side
    563,341.47x = 138,592,631,604.78
  5. Step 5: Solve for x
    x = 138,592,631,604.78/563,341.47
  6. Step 6: Final answer
    x = 246,018.87

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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.