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Finding the Fourth Proportional to 314,356.32, 468,675.36 and 278,897.76

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Solution

The fourth proportional to 314,356.32, 468,675.36 and 278,897.76 is: 415,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,356.32 : 468,675.36 = 278,897.76 : x
  2. Step 2: Convert to fraction form
    314,356.32/468,675.36 = 278,897.76/x
  3. Step 3: Cross multiply
    314,356.32x = 468,675.36 × 278,897.76
  4. Step 4: Simplify right side
    314,356.32x = 130,712,508,071.19
  5. Step 5: Solve for x
    x = 130,712,508,071.19/314,356.32
  6. Step 6: Final answer
    x = 415,810.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.