Home / 387,948.04-535,363.14-218,182.16

Finding the Fourth Proportional to 387,948.04, 535,363.14 and 218,182.16

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Solution

The fourth proportional to 387,948.04, 535,363.14 and 218,182.16 is: 301,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,948.04 : 535,363.14 = 218,182.16 : x
  2. Step 2: Convert to fraction form
    387,948.04/535,363.14 = 218,182.16/x
  3. Step 3: Cross multiply
    387,948.04x = 535,363.14 × 218,182.16
  4. Step 4: Simplify right side
    387,948.04x = 116,806,686,269.58
  5. Step 5: Solve for x
    x = 116,806,686,269.58/387,948.04
  6. Step 6: Final answer
    x = 301,088.48

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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.