Home / 319,088.43-440,390.66-242,482.68

Finding the Fourth Proportional to 319,088.43, 440,390.66 and 242,482.68

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Solution

The fourth proportional to 319,088.43, 440,390.66 and 242,482.68 is: 334,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,088.43 : 440,390.66 = 242,482.68 : x
  2. Step 2: Convert to fraction form
    319,088.43/440,390.66 = 242,482.68/x
  3. Step 3: Cross multiply
    319,088.43x = 440,390.66 × 242,482.68
  4. Step 4: Simplify right side
    319,088.43x = 106,787,106,271.36
  5. Step 5: Solve for x
    x = 106,787,106,271.36/319,088.43
  6. Step 6: Final answer
    x = 334,663.05

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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.