Home / 334,811.16-502,216.74-147,785.40

Finding the Fourth Proportional to 334,811.16, 502,216.74 and 147,785.40

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Solution

The fourth proportional to 334,811.16, 502,216.74 and 147,785.40 is: 221,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,811.16 : 502,216.74 = 147,785.40 : x
  2. Step 2: Convert to fraction form
    334,811.16/502,216.74 = 147,785.40/x
  3. Step 3: Cross multiply
    334,811.16x = 502,216.74 × 147,785.40
  4. Step 4: Simplify right side
    334,811.16x = 74,220,301,068.67
  5. Step 5: Solve for x
    x = 74,220,301,068.67/334,811.16
  6. Step 6: Final answer
    x = 221,678.10

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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.