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Finding the Fourth Proportional to 594,258.51, 891,164.35 and 215,085.56

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Solution

The fourth proportional to 594,258.51, 891,164.35 and 215,085.56 is: 322,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,258.51 : 891,164.35 = 215,085.56 : x
  2. Step 2: Convert to fraction form
    594,258.51/891,164.35 = 215,085.56/x
  3. Step 3: Cross multiply
    594,258.51x = 891,164.35 × 215,085.56
  4. Step 4: Simplify right side
    594,258.51x = 191,676,583,271.79
  5. Step 5: Solve for x
    x = 191,676,583,271.79/594,258.51
  6. Step 6: Final answer
    x = 322,547.48

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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.