Finding the Fourth Proportional to 447,794.03, 617,302.94 and 340,177.23
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Solution
The fourth proportional to 447,794.03, 617,302.94 and 340,177.23 is: 468,948.65
Step by Step Solution
- Step 1: Write the proportion equation
447,794.03 : 617,302.94 = 340,177.23 : x - Step 2: Convert to fraction form
447,794.03/617,302.94 = 340,177.23/x - Step 3: Cross multiply
447,794.03x = 617,302.94 × 340,177.23 - Step 4: Simplify right side
447,794.03x = 209,992,402,499.17 - Step 5: Solve for x
x = 209,992,402,499.17/447,794.03 - Step 6: Final answer
x = 468,948.65
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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.