Finding the Fourth Proportional to 291,654.41, 402,482.84 and 157,518.41
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Solution
The fourth proportional to 291,654.41, 402,482.84 and 157,518.41 is: 217,375.27
Step by Step Solution
- Step 1: Write the proportion equation
291,654.41 : 402,482.84 = 157,518.41 : x - Step 2: Convert to fraction form
291,654.41/402,482.84 = 157,518.41/x - Step 3: Cross multiply
291,654.41x = 402,482.84 × 157,518.41 - Step 4: Simplify right side
291,654.41x = 63,398,454,209.08 - Step 5: Solve for x
x = 63,398,454,209.08/291,654.41 - Step 6: Final answer
x = 217,375.27
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1.5x scale
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.