Home / 628,444.47-942,653.95-155,133.93

Finding the Fourth Proportional to 628,444.47, 942,653.95 and 155,133.93

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Solution

The fourth proportional to 628,444.47, 942,653.95 and 155,133.93 is: 232,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,444.47 : 942,653.95 = 155,133.93 : x
  2. Step 2: Convert to fraction form
    628,444.47/942,653.95 = 155,133.93/x
  3. Step 3: Cross multiply
    628,444.47x = 942,653.95 × 155,133.93
  4. Step 4: Simplify right side
    628,444.47x = 146,237,611,505.69
  5. Step 5: Solve for x
    x = 146,237,611,505.69/628,444.47
  6. Step 6: Final answer
    x = 232,697.75

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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.