Finding the Fourth Proportional to 157,348.08, 235,989.30 and 57,555.26
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Solution
The fourth proportional to 157,348.08, 235,989.30 and 57,555.26 is: 86,320.89
Step by Step Solution
- Step 1: Write the proportion equation
157,348.08 : 235,989.30 = 57,555.26 : x - Step 2: Convert to fraction form
157,348.08/235,989.30 = 57,555.26/x - Step 3: Cross multiply
157,348.08x = 235,989.30 × 57,555.26 - Step 4: Simplify right side
157,348.08x = 13,582,425,518.72 - Step 5: Solve for x
x = 13,582,425,518.72/157,348.08 - Step 6: Final answer
x = 86,320.89
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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.