Home / 358,434.40-537,653-145,206.34

Finding the Fourth Proportional to 358,434.40, 537,653 and 145,206.34

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Solution

The fourth proportional to 358,434.40, 537,653 and 145,206.34 is: 217,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,434.40 : 537,653 = 145,206.34 : x
  2. Step 2: Convert to fraction form
    358,434.40/537,653 = 145,206.34/x
  3. Step 3: Cross multiply
    358,434.40x = 537,653 × 145,206.34
  4. Step 4: Simplify right side
    358,434.40x = 78,070,624,320.02
  5. Step 5: Solve for x
    x = 78,070,624,320.02/358,434.40
  6. Step 6: Final answer
    x = 217,810.08

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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.