Home / 260,547.03-390,549.59-100,732.74

Finding the Fourth Proportional to 260,547.03, 390,549.59 and 100,732.74

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Solution

The fourth proportional to 260,547.03, 390,549.59 and 100,732.74 is: 150,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,547.03 : 390,549.59 = 100,732.74 : x
  2. Step 2: Convert to fraction form
    260,547.03/390,549.59 = 100,732.74/x
  3. Step 3: Cross multiply
    260,547.03x = 390,549.59 × 100,732.74
  4. Step 4: Simplify right side
    260,547.03x = 39,341,130,306.58
  5. Step 5: Solve for x
    x = 39,341,130,306.58/260,547.03
  6. Step 6: Final answer
    x = 150,994.35

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1.5x scale

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.