Home / 314,721.36-434,303.28-171,482.47

Finding the Fourth Proportional to 314,721.36, 434,303.28 and 171,482.47

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Solution

The fourth proportional to 314,721.36, 434,303.28 and 171,482.47 is: 236,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,721.36 : 434,303.28 = 171,482.47 : x
  2. Step 2: Convert to fraction form
    314,721.36/434,303.28 = 171,482.47/x
  3. Step 3: Cross multiply
    314,721.36x = 434,303.28 × 171,482.47
  4. Step 4: Simplify right side
    314,721.36x = 74,475,399,183.50
  5. Step 5: Solve for x
    x = 74,475,399,183.50/314,721.36
  6. Step 6: Final answer
    x = 236,639.16

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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.