Home / 357,819.12-536,595.84-105,030

Finding the Fourth Proportional to 357,819.12, 536,595.84 and 105,030

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Solution

The fourth proportional to 357,819.12, 536,595.84 and 105,030 is: 157,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,819.12 : 536,595.84 = 105,030 : x
  2. Step 2: Convert to fraction form
    357,819.12/536,595.84 = 105,030/x
  3. Step 3: Cross multiply
    357,819.12x = 536,595.84 × 105,030
  4. Step 4: Simplify right side
    357,819.12x = 56,358,661,075.20
  5. Step 5: Solve for x
    x = 56,358,661,075.20/357,819.12
  6. Step 6: Final answer
    x = 157,506.01

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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.