Home / 631,429.29-947,152.04-210,705.17

Finding the Fourth Proportional to 631,429.29, 947,152.04 and 210,705.17

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Solution

The fourth proportional to 631,429.29, 947,152.04 and 210,705.17 is: 316,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,429.29 : 947,152.04 = 210,705.17 : x
  2. Step 2: Convert to fraction form
    631,429.29/947,152.04 = 210,705.17/x
  3. Step 3: Cross multiply
    631,429.29x = 947,152.04 × 210,705.17
  4. Step 4: Simplify right side
    631,429.29x = 199,569,825,814.76
  5. Step 5: Solve for x
    x = 199,569,825,814.76/631,429.29
  6. Step 6: Final answer
    x = 316,060.45

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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.