Finding the Fourth Proportional to 325,068.08, 487,426.80 and 147,478.19
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Solution
The fourth proportional to 325,068.08, 487,426.80 and 147,478.19 is: 221,137.75
Step by Step Solution
- Step 1: Write the proportion equation
325,068.08 : 487,426.80 = 147,478.19 : x - Step 2: Convert to fraction form
325,068.08/487,426.80 = 147,478.19/x - Step 3: Cross multiply
325,068.08x = 487,426.80 × 147,478.19 - Step 4: Simplify right side
325,068.08x = 71,884,822,221.49 - Step 5: Solve for x
x = 71,884,822,221.49/325,068.08 - Step 6: Final answer
x = 221,137.75
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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.