Finding the Fourth Proportional to 442,919.08, 664,483.74 and 143,399.68
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Solution
The fourth proportional to 442,919.08, 664,483.74 and 143,399.68 is: 215,133.55
Step by Step Solution
- Step 1: Write the proportion equation
442,919.08 : 664,483.74 = 143,399.68 : x - Step 2: Convert to fraction form
442,919.08/664,483.74 = 143,399.68/x - Step 3: Cross multiply
442,919.08x = 664,483.74 × 143,399.68 - Step 4: Simplify right side
442,919.08x = 95,286,755,681.20 - Step 5: Solve for x
x = 95,286,755,681.20/442,919.08 - Step 6: Final answer
x = 215,133.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.