Finding the Fourth Proportional to 411,339.51, 617,002.79 and 299,727.99
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Solution
The fourth proportional to 411,339.51, 617,002.79 and 299,727.99 is: 449,587.26
Step by Step Solution
- Step 1: Write the proportion equation
411,339.51 : 617,002.79 = 299,727.99 : x - Step 2: Convert to fraction form
411,339.51/617,002.79 = 299,727.99/x - Step 3: Cross multiply
411,339.51x = 617,002.79 × 299,727.99 - Step 4: Simplify right side
411,339.51x = 184,933,004,572.45 - Step 5: Solve for x
x = 184,933,004,572.45/411,339.51 - Step 6: Final answer
x = 449,587.26
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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.