Finding the Fourth Proportional to 153,023.23, 211,169.32 and 85,038.99
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Solution
The fourth proportional to 153,023.23, 211,169.32 and 85,038.99 is: 117,352.28
Step by Step Solution
- Step 1: Write the proportion equation
153,023.23 : 211,169.32 = 85,038.99 : x - Step 2: Convert to fraction form
153,023.23/211,169.32 = 85,038.99/x - Step 3: Cross multiply
153,023.23x = 211,169.32 × 85,038.99 - Step 4: Simplify right side
153,023.23x = 17,957,625,691.79 - Step 5: Solve for x
x = 17,957,625,691.79/153,023.23 - Step 6: Final answer
x = 117,352.28
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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.