Home / 460,075.55-690,222.36-144,532.45

Finding the Fourth Proportional to 460,075.55, 690,222.36 and 144,532.45

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Solution

The fourth proportional to 460,075.55, 690,222.36 and 144,532.45 is: 216,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,075.55 : 690,222.36 = 144,532.45 : x
  2. Step 2: Convert to fraction form
    460,075.55/690,222.36 = 144,532.45/x
  3. Step 3: Cross multiply
    460,075.55x = 690,222.36 × 144,532.45
  4. Step 4: Simplify right side
    460,075.55x = 99,759,530,140.36
  5. Step 5: Solve for x
    x = 99,759,530,140.36/460,075.55
  6. Step 6: Final answer
    x = 216,832.93

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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.