Finding the Fourth Proportional to 512,715.42, 768,567.68 and 180,058.14
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Solution
The fourth proportional to 512,715.42, 768,567.68 and 180,058.14 is: 269,909.70
Step by Step Solution
- Step 1: Write the proportion equation
512,715.42 : 768,567.68 = 180,058.14 : x - Step 2: Convert to fraction form
512,715.42/768,567.68 = 180,058.14/x - Step 3: Cross multiply
512,715.42x = 768,567.68 × 180,058.14 - Step 4: Simplify right side
512,715.42x = 138,386,866,924.92 - Step 5: Solve for x
x = 138,386,866,924.92/512,715.42 - Step 6: Final answer
x = 269,909.70
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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.