Home / 282,864.92-390,349.26-153,802.36

Finding the Fourth Proportional to 282,864.92, 390,349.26 and 153,802.36

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Solution

The fourth proportional to 282,864.92, 390,349.26 and 153,802.36 is: 212,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,864.92 : 390,349.26 = 153,802.36 : x
  2. Step 2: Convert to fraction form
    282,864.92/390,349.26 = 153,802.36/x
  3. Step 3: Cross multiply
    282,864.92x = 390,349.26 × 153,802.36
  4. Step 4: Simplify right side
    282,864.92x = 60,036,637,412.25
  5. Step 5: Solve for x
    x = 60,036,637,412.25/282,864.92
  6. Step 6: Final answer
    x = 212,244.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.