Home / 382,017.47-573,045.30-145,378.53

Finding the Fourth Proportional to 382,017.47, 573,045.30 and 145,378.53

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Solution

The fourth proportional to 382,017.47, 573,045.30 and 145,378.53 is: 218,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,017.47 : 573,045.30 = 145,378.53 : x
  2. Step 2: Convert to fraction form
    382,017.47/573,045.30 = 145,378.53/x
  3. Step 3: Cross multiply
    382,017.47x = 573,045.30 × 145,378.53
  4. Step 4: Simplify right side
    382,017.47x = 83,308,483,337.41
  5. Step 5: Solve for x
    x = 83,308,483,337.41/382,017.47
  6. Step 6: Final answer
    x = 218,075.06

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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.