Home / 240,547.12-360,714.06-128,206.40

Finding the Fourth Proportional to 240,547.12, 360,714.06 and 128,206.40

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Solution

The fourth proportional to 240,547.12, 360,714.06 and 128,206.40 is: 192,252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,547.12 : 360,714.06 = 128,206.40 : x
  2. Step 2: Convert to fraction form
    240,547.12/360,714.06 = 128,206.40/x
  3. Step 3: Cross multiply
    240,547.12x = 360,714.06 × 128,206.40
  4. Step 4: Simplify right side
    240,547.12x = 46,245,849,258.41
  5. Step 5: Solve for x
    x = 46,245,849,258.41/240,547.12
  6. Step 6: Final answer
    x = 192,252.77

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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.