Home / 358,353.04-494,547.60-205,416.72

Finding the Fourth Proportional to 358,353.04, 494,547.60 and 205,416.72

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Solution

The fourth proportional to 358,353.04, 494,547.60 and 205,416.72 is: 283,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,353.04 : 494,547.60 = 205,416.72 : x
  2. Step 2: Convert to fraction form
    358,353.04/494,547.60 = 205,416.72/x
  3. Step 3: Cross multiply
    358,353.04x = 494,547.60 × 205,416.72
  4. Step 4: Simplify right side
    358,353.04x = 101,588,345,875.87
  5. Step 5: Solve for x
    x = 101,588,345,875.87/358,353.04
  6. Step 6: Final answer
    x = 283,486.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.