Home / 309,386.64-426,927.48-171,569.52

Finding the Fourth Proportional to 309,386.64, 426,927.48 and 171,569.52

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Solution

The fourth proportional to 309,386.64, 426,927.48 and 171,569.52 is: 236,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,386.64 : 426,927.48 = 171,569.52 : x
  2. Step 2: Convert to fraction form
    309,386.64/426,927.48 = 171,569.52/x
  3. Step 3: Cross multiply
    309,386.64x = 426,927.48 × 171,569.52
  4. Step 4: Simplify right side
    309,386.64x = 73,247,742,818.41
  5. Step 5: Solve for x
    x = 73,247,742,818.41/309,386.64
  6. Step 6: Final answer
    x = 236,751.47

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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.