Finding the Fourth Proportional to 157,363.96, 236,251.70 and 93,438.76
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Solution
The fourth proportional to 157,363.96, 236,251.70 and 93,438.76 is: 140,280.32
Step by Step Solution
- Step 1: Write the proportion equation
157,363.96 : 236,251.70 = 93,438.76 : x - Step 2: Convert to fraction form
157,363.96/236,251.70 = 93,438.76/x - Step 3: Cross multiply
157,363.96x = 236,251.70 × 93,438.76 - Step 4: Simplify right side
157,363.96x = 22,075,065,895.89 - Step 5: Solve for x
x = 22,075,065,895.89/157,363.96 - Step 6: Final answer
x = 140,280.32
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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.