Finding the Fourth Proportional to 352,686.70, 529,030.05 and 115,972.30
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Solution
The fourth proportional to 352,686.70, 529,030.05 and 115,972.30 is: 173,958.45
Step by Step Solution
- Step 1: Write the proportion equation
352,686.70 : 529,030.05 = 115,972.30 : x - Step 2: Convert to fraction form
352,686.70/529,030.05 = 115,972.30/x - Step 3: Cross multiply
352,686.70x = 529,030.05 × 115,972.30 - Step 4: Simplify right side
352,686.70x = 61,352,831,667.62 - Step 5: Solve for x
x = 61,352,831,667.62/352,686.70 - Step 6: Final answer
x = 173,958.45
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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.