Home / 346,330.40-519,495.60-299,091.20

Finding the Fourth Proportional to 346,330.40, 519,495.60 and 299,091.20

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Solution

The fourth proportional to 346,330.40, 519,495.60 and 299,091.20 is: 448,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,330.40 : 519,495.60 = 299,091.20 : x
  2. Step 2: Convert to fraction form
    346,330.40/519,495.60 = 299,091.20/x
  3. Step 3: Cross multiply
    346,330.40x = 519,495.60 × 299,091.20
  4. Step 4: Simplify right side
    346,330.40x = 155,376,562,398.72
  5. Step 5: Solve for x
    x = 155,376,562,398.72/346,330.40
  6. Step 6: Final answer
    x = 448,636.80

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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.