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Finding the Fourth Proportional to 340,075.60, 510,113.40 and 228,101.20

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Solution

The fourth proportional to 340,075.60, 510,113.40 and 228,101.20 is: 342,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,075.60 : 510,113.40 = 228,101.20 : x
  2. Step 2: Convert to fraction form
    340,075.60/510,113.40 = 228,101.20/x
  3. Step 3: Cross multiply
    340,075.60x = 510,113.40 × 228,101.20
  4. Step 4: Simplify right side
    340,075.60x = 116,357,478,676.08
  5. Step 5: Solve for x
    x = 116,357,478,676.08/340,075.60
  6. Step 6: Final answer
    x = 342,151.80

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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.