Home / 286,038.84-429,196.50-117,683.40

Finding the Fourth Proportional to 286,038.84, 429,196.50 and 117,683.40

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Solution

The fourth proportional to 286,038.84, 429,196.50 and 117,683.40 is: 176,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,038.84 : 429,196.50 = 117,683.40 : x
  2. Step 2: Convert to fraction form
    286,038.84/429,196.50 = 117,683.40/x
  3. Step 3: Cross multiply
    286,038.84x = 429,196.50 × 117,683.40
  4. Step 4: Simplify right side
    286,038.84x = 50,509,303,388.10
  5. Step 5: Solve for x
    x = 50,509,303,388.10/286,038.84
  6. Step 6: Final answer
    x = 176,581.98

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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.