Finding the Fourth Proportional to 157,587.70, 235,152.44 and 140,603.95
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Solution
The fourth proportional to 157,587.70, 235,152.44 and 140,603.95 is: 209,809.28
Step by Step Solution
- Step 1: Write the proportion equation
157,587.70 : 235,152.44 = 140,603.95 : x - Step 2: Convert to fraction form
157,587.70/235,152.44 = 140,603.95/x - Step 3: Cross multiply
157,587.70x = 235,152.44 × 140,603.95 - Step 4: Simplify right side
157,587.70x = 33,063,361,916.14 - Step 5: Solve for x
x = 33,063,361,916.14/157,587.70 - Step 6: Final answer
x = 209,809.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.