Finding the Fourth Proportional to 406,027.10, 609,037.92 and 317,355.19
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Solution
The fourth proportional to 406,027.10, 609,037.92 and 317,355.19 is: 476,030.64
Step by Step Solution
- Step 1: Write the proportion equation
406,027.10 : 609,037.92 = 317,355.19 : x - Step 2: Convert to fraction form
406,027.10/609,037.92 = 317,355.19/x - Step 3: Cross multiply
406,027.10x = 609,037.92 × 317,355.19 - Step 4: Simplify right side
406,027.10x = 193,281,343,296.21 - Step 5: Solve for x
x = 193,281,343,296.21/406,027.10 - Step 6: Final answer
x = 476,030.64
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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.