Finding the Fourth Proportional to 313,567.49, 432,722.80 and 170,327.64
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Solution
The fourth proportional to 313,567.49, 432,722.80 and 170,327.64 is: 235,051.96
Step by Step Solution
- Step 1: Write the proportion equation
313,567.49 : 432,722.80 = 170,327.64 : x - Step 2: Convert to fraction form
313,567.49/432,722.80 = 170,327.64/x - Step 3: Cross multiply
313,567.49x = 432,722.80 × 170,327.64 - Step 4: Simplify right side
313,567.49x = 73,704,653,298.19 - Step 5: Solve for x
x = 73,704,653,298.19/313,567.49 - Step 6: Final answer
x = 235,051.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.