Finding the Fourth Proportional to 406,026.99, 609,037.13 and 317,355.03
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Solution
The fourth proportional to 406,026.99, 609,037.13 and 317,355.03 is: 476,029.92
Step by Step Solution
- Step 1: Write the proportion equation
406,026.99 : 609,037.13 = 317,355.03 : x - Step 2: Convert to fraction form
406,026.99/609,037.13 = 317,355.03/x - Step 3: Cross multiply
406,026.99x = 609,037.13 × 317,355.03 - Step 4: Simplify right side
406,026.99x = 193,280,995,075.49 - Step 5: Solve for x
x = 193,280,995,075.49/406,026.99 - Step 6: Final answer
x = 476,029.92
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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.