Home / 346,547.09-519,820.27-130,446.17

Finding the Fourth Proportional to 346,547.09, 519,820.27 and 130,446.17

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Solution

The fourth proportional to 346,547.09, 519,820.27 and 130,446.17 is: 195,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,547.09 : 519,820.27 = 130,446.17 : x
  2. Step 2: Convert to fraction form
    346,547.09/519,820.27 = 130,446.17/x
  3. Step 3: Cross multiply
    346,547.09x = 519,820.27 × 130,446.17
  4. Step 4: Simplify right side
    346,547.09x = 67,808,563,309.87
  5. Step 5: Solve for x
    x = 67,808,563,309.87/346,547.09
  6. Step 6: Final answer
    x = 195,669.12

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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.