Finding the Fourth Proportional to 549,487.21, 824,349.17 and 170,400.28
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Solution
The fourth proportional to 549,487.21, 824,349.17 and 170,400.28 is: 255,637.12
Step by Step Solution
- Step 1: Write the proportion equation
549,487.21 : 824,349.17 = 170,400.28 : x - Step 2: Convert to fraction form
549,487.21/824,349.17 = 170,400.28/x - Step 3: Cross multiply
549,487.21x = 824,349.17 × 170,400.28 - Step 4: Simplify right side
549,487.21x = 140,469,329,385.77 - Step 5: Solve for x
x = 140,469,329,385.77/549,487.21 - Step 6: Final answer
x = 255,637.12
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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.