Finding the Fourth Proportional to 406,027.99, 609,038.62 and 317,356.03
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Solution
The fourth proportional to 406,027.99, 609,038.62 and 317,356.03 is: 476,031.41
Step by Step Solution
- Step 1: Write the proportion equation
406,027.99 : 609,038.62 = 317,356.03 : x - Step 2: Convert to fraction form
406,027.99/609,038.62 = 317,356.03/x - Step 3: Cross multiply
406,027.99x = 609,038.62 × 317,356.03 - Step 4: Simplify right side
406,027.99x = 193,282,078,559.88 - Step 5: Solve for x
x = 193,282,078,559.88/406,027.99 - Step 6: Final answer
x = 476,031.41
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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.