Finding the Fourth Proportional to 405,531.53, 608,331.90 and 106,011.63
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Solution
The fourth proportional to 405,531.53, 608,331.90 and 106,011.63 is: 159,026.49
Step by Step Solution
- Step 1: Write the proportion equation
405,531.53 : 608,331.90 = 106,011.63 : x - Step 2: Convert to fraction form
405,531.53/608,331.90 = 106,011.63/x - Step 3: Cross multiply
405,531.53x = 608,331.90 × 106,011.63 - Step 4: Simplify right side
405,531.53x = 64,490,255,769.94 - Step 5: Solve for x
x = 64,490,255,769.94/405,531.53 - Step 6: Final answer
x = 159,026.49
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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.