Home / 346,352.33-478,075.10-203,170.25

Finding the Fourth Proportional to 346,352.33, 478,075.10 and 203,170.25

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Solution

The fourth proportional to 346,352.33, 478,075.10 and 203,170.25 is: 280,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,352.33 : 478,075.10 = 203,170.25 : x
  2. Step 2: Convert to fraction form
    346,352.33/478,075.10 = 203,170.25/x
  3. Step 3: Cross multiply
    346,352.33x = 478,075.10 × 203,170.25
  4. Step 4: Simplify right side
    346,352.33x = 97,130,634,179.55
  5. Step 5: Solve for x
    x = 97,130,634,179.55/346,352.33
  6. Step 6: Final answer
    x = 280,438.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.