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Finding the Fourth Proportional to 346,702.20, 520,053.30 and 307,303.80

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Solution

The fourth proportional to 346,702.20, 520,053.30 and 307,303.80 is: 460,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,702.20 : 520,053.30 = 307,303.80 : x
  2. Step 2: Convert to fraction form
    346,702.20/520,053.30 = 307,303.80/x
  3. Step 3: Cross multiply
    346,702.20x = 520,053.30 × 307,303.80
  4. Step 4: Simplify right side
    346,702.20x = 159,814,355,292.54
  5. Step 5: Solve for x
    x = 159,814,355,292.54/346,702.20
  6. Step 6: Final answer
    x = 460,955.70

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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.