Home / 354,037.40-531,056.10-298,050.20

Finding the Fourth Proportional to 354,037.40, 531,056.10 and 298,050.20

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Solution

The fourth proportional to 354,037.40, 531,056.10 and 298,050.20 is: 447,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,037.40 : 531,056.10 = 298,050.20 : x
  2. Step 2: Convert to fraction form
    354,037.40/531,056.10 = 298,050.20/x
  3. Step 3: Cross multiply
    354,037.40x = 531,056.10 × 298,050.20
  4. Step 4: Simplify right side
    354,037.40x = 158,281,376,816.22
  5. Step 5: Solve for x
    x = 158,281,376,816.22/354,037.40
  6. Step 6: Final answer
    x = 447,075.30

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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.