Home / 346,087.10-519,130.65-212,534.30

Finding the Fourth Proportional to 346,087.10, 519,130.65 and 212,534.30

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Solution

The fourth proportional to 346,087.10, 519,130.65 and 212,534.30 is: 318,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,087.10 : 519,130.65 = 212,534.30 : x
  2. Step 2: Convert to fraction form
    346,087.10/519,130.65 = 212,534.30/x
  3. Step 3: Cross multiply
    346,087.10x = 519,130.65 × 212,534.30
  4. Step 4: Simplify right side
    346,087.10x = 110,333,069,306.30
  5. Step 5: Solve for x
    x = 110,333,069,306.30/346,087.10
  6. Step 6: Final answer
    x = 318,801.45

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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.