Home / 358,488.09-537,606.72-105,701.49

Finding the Fourth Proportional to 358,488.09, 537,606.72 and 105,701.49

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Solution

The fourth proportional to 358,488.09, 537,606.72 and 105,701.49 is: 158,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,488.09 : 537,606.72 = 105,701.49 : x
  2. Step 2: Convert to fraction form
    358,488.09/537,606.72 = 105,701.49/x
  3. Step 3: Cross multiply
    358,488.09x = 537,606.72 × 105,701.49
  4. Step 4: Simplify right side
    358,488.09x = 56,825,831,338.01
  5. Step 5: Solve for x
    x = 56,825,831,338.01/358,488.09
  6. Step 6: Final answer
    x = 158,515.26

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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.