Finding the Fourth Proportional to 447,116.80, 616,599.36 and 293,884.24
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Solution
The fourth proportional to 447,116.80, 616,599.36 and 293,884.24 is: 405,282.99
Step by Step Solution
- Step 1: Write the proportion equation
447,116.80 : 616,599.36 = 293,884.24 : x - Step 2: Convert to fraction form
447,116.80/616,599.36 = 293,884.24/x - Step 3: Cross multiply
447,116.80x = 616,599.36 × 293,884.24 - Step 4: Simplify right side
447,116.80x = 181,208,834,298.09 - Step 5: Solve for x
x = 181,208,834,298.09/447,116.80 - Step 6: Final answer
x = 405,282.99
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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.