Home / 419,176.02-578,373.21-249,376.98

Finding the Fourth Proportional to 419,176.02, 578,373.21 and 249,376.98

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Solution

The fourth proportional to 419,176.02, 578,373.21 and 249,376.98 is: 344,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,176.02 : 578,373.21 = 249,376.98 : x
  2. Step 2: Convert to fraction form
    419,176.02/578,373.21 = 249,376.98/x
  3. Step 3: Cross multiply
    419,176.02x = 578,373.21 × 249,376.98
  4. Step 4: Simplify right side
    419,176.02x = 144,232,964,422.71
  5. Step 5: Solve for x
    x = 144,232,964,422.71/419,176.02
  6. Step 6: Final answer
    x = 344,086.87

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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.