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Finding the Fourth Proportional to 236,303.94, 354,337.65 and 78,477.06

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Solution

The fourth proportional to 236,303.94, 354,337.65 and 78,477.06 is: 117,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,303.94 : 354,337.65 = 78,477.06 : x
  2. Step 2: Convert to fraction form
    236,303.94/354,337.65 = 78,477.06/x
  3. Step 3: Cross multiply
    236,303.94x = 354,337.65 × 78,477.06
  4. Step 4: Simplify right side
    236,303.94x = 27,807,377,019.31
  5. Step 5: Solve for x
    x = 27,807,377,019.31/236,303.94
  6. Step 6: Final answer
    x = 117,676.32

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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.