Home / 242,905.94-335,210.79-135,482.93

Finding the Fourth Proportional to 242,905.94, 335,210.79 and 135,482.93

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Solution

The fourth proportional to 242,905.94, 335,210.79 and 135,482.93 is: 186,966.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,905.94 : 335,210.79 = 135,482.93 : x
  2. Step 2: Convert to fraction form
    242,905.94/335,210.79 = 135,482.93/x
  3. Step 3: Cross multiply
    242,905.94x = 335,210.79 × 135,482.93
  4. Step 4: Simplify right side
    242,905.94x = 45,415,338,320.76
  5. Step 5: Solve for x
    x = 45,415,338,320.76/242,905.94
  6. Step 6: Final answer
    x = 186,966.77

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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.