Finding the Fourth Proportional to 644,368.96, 966,595.56 and 171,041.68
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Solution
The fourth proportional to 644,368.96, 966,595.56 and 171,041.68 is: 256,573.70
Step by Step Solution
- Step 1: Write the proportion equation
644,368.96 : 966,595.56 = 171,041.68 : x - Step 2: Convert to fraction form
644,368.96/966,595.56 = 171,041.68/x - Step 3: Cross multiply
644,368.96x = 966,595.56 × 171,041.68 - Step 4: Simplify right side
644,368.96x = 165,328,128,462.94 - Step 5: Solve for x
x = 165,328,128,462.94/644,368.96 - Step 6: Final answer
x = 256,573.70
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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.