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Finding the Fourth Proportional to 593,547.10, 890,312.90 and 144,266.68

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Solution

The fourth proportional to 593,547.10, 890,312.90 and 144,266.68 is: 216,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,547.10 : 890,312.90 = 144,266.68 : x
  2. Step 2: Convert to fraction form
    593,547.10/890,312.90 = 144,266.68/x
  3. Step 3: Cross multiply
    593,547.10x = 890,312.90 × 144,266.68
  4. Step 4: Simplify right side
    593,547.10x = 128,442,486,244.17
  5. Step 5: Solve for x
    x = 128,442,486,244.17/593,547.10
  6. Step 6: Final answer
    x = 216,398.14

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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.