Home / 286,567.10-428,830.05-249,533.90

Finding the Fourth Proportional to 286,567.10, 428,830.05 and 249,533.90

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Solution

The fourth proportional to 286,567.10, 428,830.05 and 249,533.90 is: 373,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,567.10 : 428,830.05 = 249,533.90 : x
  2. Step 2: Convert to fraction form
    286,567.10/428,830.05 = 249,533.90/x
  3. Step 3: Cross multiply
    286,567.10x = 428,830.05 × 249,533.90
  4. Step 4: Simplify right side
    286,567.10x = 107,007,634,813.70
  5. Step 5: Solve for x
    x = 107,007,634,813.70/286,567.10
  6. Step 6: Final answer
    x = 373,412.14

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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.