Home / 261,934.18-390,432.01-248,637.22

Finding the Fourth Proportional to 261,934.18, 390,432.01 and 248,637.22

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Solution

The fourth proportional to 261,934.18, 390,432.01 and 248,637.22 is: 370,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,934.18 : 390,432.01 = 248,637.22 : x
  2. Step 2: Convert to fraction form
    261,934.18/390,432.01 = 248,637.22/x
  3. Step 3: Cross multiply
    261,934.18x = 390,432.01 × 248,637.22
  4. Step 4: Simplify right side
    261,934.18x = 97,075,929,565.41
  5. Step 5: Solve for x
    x = 97,075,929,565.41/261,934.18
  6. Step 6: Final answer
    x = 370,611.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.