Home / 350,985.60-525,787.20-210,326.40

Finding the Fourth Proportional to 350,985.60, 525,787.20 and 210,326.40

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Solution

The fourth proportional to 350,985.60, 525,787.20 and 210,326.40 is: 315,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,985.60 : 525,787.20 = 210,326.40 : x
  2. Step 2: Convert to fraction form
    350,985.60/525,787.20 = 210,326.40/x
  3. Step 3: Cross multiply
    350,985.60x = 525,787.20 × 210,326.40
  4. Step 4: Simplify right side
    350,985.60x = 110,586,928,942.08
  5. Step 5: Solve for x
    x = 110,586,928,942.08/350,985.60
  6. Step 6: Final answer
    x = 315,075.40

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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.