Home / 423,407.23-634,977.06-139,050.93

Finding the Fourth Proportional to 423,407.23, 634,977.06 and 139,050.93

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Solution

The fourth proportional to 423,407.23, 634,977.06 and 139,050.93 is: 208,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,407.23 : 634,977.06 = 139,050.93 : x
  2. Step 2: Convert to fraction form
    423,407.23/634,977.06 = 139,050.93/x
  3. Step 3: Cross multiply
    423,407.23x = 634,977.06 × 139,050.93
  4. Step 4: Simplify right side
    423,407.23x = 88,294,148,438.97
  5. Step 5: Solve for x
    x = 88,294,148,438.97/423,407.23
  6. Step 6: Final answer
    x = 208,532.45

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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.