Home / 289,724.10-434,586.15-243,068.10

Finding the Fourth Proportional to 289,724.10, 434,586.15 and 243,068.10

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Solution

The fourth proportional to 289,724.10, 434,586.15 and 243,068.10 is: 364,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,724.10 : 434,586.15 = 243,068.10 : x
  2. Step 2: Convert to fraction form
    289,724.10/434,586.15 = 243,068.10/x
  3. Step 3: Cross multiply
    289,724.10x = 434,586.15 × 243,068.10
  4. Step 4: Simplify right side
    289,724.10x = 105,634,029,766.82
  5. Step 5: Solve for x
    x = 105,634,029,766.82/289,724.10
  6. Step 6: Final answer
    x = 364,602.15

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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.