Finding the Fourth Proportional to 157,113.04, 235,639.12 and 61,050.08
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Solution
The fourth proportional to 157,113.04, 235,639.12 and 61,050.08 is: 91,563.29
Step by Step Solution
- Step 1: Write the proportion equation
157,113.04 : 235,639.12 = 61,050.08 : x - Step 2: Convert to fraction form
157,113.04/235,639.12 = 61,050.08/x - Step 3: Cross multiply
157,113.04x = 235,639.12 × 61,050.08 - Step 4: Simplify right side
157,113.04x = 14,385,787,127.13 - Step 5: Solve for x
x = 14,385,787,127.13/157,113.04 - Step 6: Final answer
x = 91,563.29
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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.