Finding the Fourth Proportional to 157,030.29, 235,402.91 and 57,119.87
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Solution
The fourth proportional to 157,030.29, 235,402.91 and 57,119.87 is: 85,627.95
Step by Step Solution
- Step 1: Write the proportion equation
157,030.29 : 235,402.91 = 57,119.87 : x - Step 2: Convert to fraction form
157,030.29/235,402.91 = 57,119.87/x - Step 3: Cross multiply
157,030.29x = 235,402.91 × 57,119.87 - Step 4: Simplify right side
157,030.29x = 13,446,182,154.21 - Step 5: Solve for x
x = 13,446,182,154.21/157,030.29 - Step 6: Final answer
x = 85,627.95
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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.