Finding the Fourth Proportional to 155,476.08, 232,913.48 and 130,216.23
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Solution
The fourth proportional to 155,476.08, 232,913.48 and 130,216.23 is: 195,072.55
Step by Step Solution
- Step 1: Write the proportion equation
155,476.08 : 232,913.48 = 130,216.23 : x - Step 2: Convert to fraction form
155,476.08/232,913.48 = 130,216.23/x - Step 3: Cross multiply
155,476.08x = 232,913.48 × 130,216.23 - Step 4: Simplify right side
155,476.08x = 30,329,114,630.70 - Step 5: Solve for x
x = 30,329,114,630.70/155,476.08 - Step 6: Final answer
x = 195,072.55
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1.5x scale
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.