Home / 341,401.23-471,355.61-305,529.57

Finding the Fourth Proportional to 341,401.23, 471,355.61 and 305,529.57

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Solution

The fourth proportional to 341,401.23, 471,355.61 and 305,529.57 is: 421,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,401.23 : 471,355.61 = 305,529.57 : x
  2. Step 2: Convert to fraction form
    341,401.23/471,355.61 = 305,529.57/x
  3. Step 3: Cross multiply
    341,401.23x = 471,355.61 × 305,529.57
  4. Step 4: Simplify right side
    341,401.23x = 144,013,075,312.74
  5. Step 5: Solve for x
    x = 144,013,075,312.74/341,401.23
  6. Step 6: Final answer
    x = 421,829.40

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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.