Home / 459,582.08-634,241.32-278,191.40

Finding the Fourth Proportional to 459,582.08, 634,241.32 and 278,191.40

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Solution

The fourth proportional to 459,582.08, 634,241.32 and 278,191.40 is: 383,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,582.08 : 634,241.32 = 278,191.40 : x
  2. Step 2: Convert to fraction form
    459,582.08/634,241.32 = 278,191.40/x
  3. Step 3: Cross multiply
    459,582.08x = 634,241.32 × 278,191.40
  4. Step 4: Simplify right side
    459,582.08x = 176,440,476,881.96
  5. Step 5: Solve for x
    x = 176,440,476,881.96/459,582.08
  6. Step 6: Final answer
    x = 383,915.05

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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.