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Finding the Fourth Proportional to 314,865.60, 472,298.40 and 248,510.40

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Solution

The fourth proportional to 314,865.60, 472,298.40 and 248,510.40 is: 372,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,865.60 : 472,298.40 = 248,510.40 : x
  2. Step 2: Convert to fraction form
    314,865.60/472,298.40 = 248,510.40/x
  3. Step 3: Cross multiply
    314,865.60x = 472,298.40 × 248,510.40
  4. Step 4: Simplify right side
    314,865.60x = 117,371,064,303.36
  5. Step 5: Solve for x
    x = 117,371,064,303.36/314,865.60
  6. Step 6: Final answer
    x = 372,765.60

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1.5x scale

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.