Home / 336,931.71-505,395.53-84,210.93

Finding the Fourth Proportional to 336,931.71, 505,395.53 and 84,210.93

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Solution

The fourth proportional to 336,931.71, 505,395.53 and 84,210.93 is: 126,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,931.71 : 505,395.53 = 84,210.93 : x
  2. Step 2: Convert to fraction form
    336,931.71/505,395.53 = 84,210.93/x
  3. Step 3: Cross multiply
    336,931.71x = 505,395.53 × 84,210.93
  4. Step 4: Simplify right side
    336,931.71x = 42,559,827,178.09
  5. Step 5: Solve for x
    x = 42,559,827,178.09/336,931.71
  6. Step 6: Final answer
    x = 126,315.89

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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.