Home / 423,063.02-634,596.69-142,582.70

Finding the Fourth Proportional to 423,063.02, 634,596.69 and 142,582.70

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Solution

The fourth proportional to 423,063.02, 634,596.69 and 142,582.70 is: 213,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,063.02 : 634,596.69 = 142,582.70 : x
  2. Step 2: Convert to fraction form
    423,063.02/634,596.69 = 142,582.70/x
  3. Step 3: Cross multiply
    423,063.02x = 634,596.69 × 142,582.70
  4. Step 4: Simplify right side
    423,063.02x = 90,482,506,298.28
  5. Step 5: Solve for x
    x = 90,482,506,298.28/423,063.02
  6. Step 6: Final answer
    x = 213,874.77

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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.