Finding the Fourth Proportional to 306,837.03, 423,216.99 and 204,811.05
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Solution
The fourth proportional to 306,837.03, 423,216.99 and 204,811.05 is: 282,493.66
Step by Step Solution
- Step 1: Write the proportion equation
306,837.03 : 423,216.99 = 204,811.05 : x - Step 2: Convert to fraction form
306,837.03/423,216.99 = 204,811.05/x - Step 3: Cross multiply
306,837.03x = 423,216.99 × 204,811.05 - Step 4: Simplify right side
306,837.03x = 86,679,516,918.76 - Step 5: Solve for x
x = 86,679,516,918.76/306,837.03 - Step 6: Final answer
x = 282,493.66
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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.