Finding the Fourth Proportional to 372,011.56, 557,673.08 and 135,290.68
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Solution
The fourth proportional to 372,011.56, 557,673.08 and 135,290.68 is: 202,810.82
Step by Step Solution
- Step 1: Write the proportion equation
372,011.56 : 557,673.08 = 135,290.68 : x - Step 2: Convert to fraction form
372,011.56/557,673.08 = 135,290.68/x - Step 3: Cross multiply
372,011.56x = 557,673.08 × 135,290.68 - Step 4: Simplify right side
372,011.56x = 75,447,970,210.89 - Step 5: Solve for x
x = 75,447,970,210.89/372,011.56 - Step 6: Final answer
x = 202,810.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.