Finding the Fourth Proportional to 343,258.87, 473,725.21 and 190,345.01
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Solution
The fourth proportional to 343,258.87, 473,725.21 and 190,345.01 is: 262,691.62
Step by Step Solution
- Step 1: Write the proportion equation
343,258.87 : 473,725.21 = 190,345.01 : x - Step 2: Convert to fraction form
343,258.87/473,725.21 = 190,345.01/x - Step 3: Cross multiply
343,258.87x = 473,725.21 × 190,345.01 - Step 4: Simplify right side
343,258.87x = 90,171,226,990.21 - Step 5: Solve for x
x = 90,171,226,990.21/343,258.87 - Step 6: Final answer
x = 262,691.62
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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.