Home / 424,946.46-637,271.16-125,347.51

Finding the Fourth Proportional to 424,946.46, 637,271.16 and 125,347.51

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Solution

The fourth proportional to 424,946.46, 637,271.16 and 125,347.51 is: 187,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,946.46 : 637,271.16 = 125,347.51 : x
  2. Step 2: Convert to fraction form
    424,946.46/637,271.16 = 125,347.51/x
  3. Step 3: Cross multiply
    424,946.46x = 637,271.16 × 125,347.51
  4. Step 4: Simplify right side
    424,946.46x = 79,880,353,100.81
  5. Step 5: Solve for x
    x = 79,880,353,100.81/424,946.46
  6. Step 6: Final answer
    x = 187,977.45

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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.