Home / 208,437.32-312,500.46-97,603.40

Finding the Fourth Proportional to 208,437.32, 312,500.46 and 97,603.40

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Solution

The fourth proportional to 208,437.32, 312,500.46 and 97,603.40 is: 146,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,437.32 : 312,500.46 = 97,603.40 : x
  2. Step 2: Convert to fraction form
    208,437.32/312,500.46 = 97,603.40/x
  3. Step 3: Cross multiply
    208,437.32x = 312,500.46 × 97,603.40
  4. Step 4: Simplify right side
    208,437.32x = 30,501,108,544.83
  5. Step 5: Solve for x
    x = 30,501,108,544.83/208,437.32
  6. Step 6: Final answer
    x = 146,332.28

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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.