Home / 386,075.28-578,952.54-149,281.50

Finding the Fourth Proportional to 386,075.28, 578,952.54 and 149,281.50

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Solution

The fourth proportional to 386,075.28, 578,952.54 and 149,281.50 is: 223,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,075.28 : 578,952.54 = 149,281.50 : x
  2. Step 2: Convert to fraction form
    386,075.28/578,952.54 = 149,281.50/x
  3. Step 3: Cross multiply
    386,075.28x = 578,952.54 × 149,281.50
  4. Step 4: Simplify right side
    386,075.28x = 86,426,903,600.01
  5. Step 5: Solve for x
    x = 86,426,903,600.01/386,075.28
  6. Step 6: Final answer
    x = 223,860.24

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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.