Finding the Fourth Proportional to 290,197.08, 435,284.28 and 79,829.28
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Solution
The fourth proportional to 290,197.08, 435,284.28 and 79,829.28 is: 119,740.80
Step by Step Solution
- Step 1: Write the proportion equation
290,197.08 : 435,284.28 = 79,829.28 : x - Step 2: Convert to fraction form
290,197.08/435,284.28 = 79,829.28/x - Step 3: Cross multiply
290,197.08x = 435,284.28 × 79,829.28 - Step 4: Simplify right side
290,197.08x = 34,748,430,667.72 - Step 5: Solve for x
x = 34,748,430,667.72/290,197.08 - Step 6: Final answer
x = 119,740.80
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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.