Finding the Fourth Proportional to 424,885.98, 637,723.17 and 214,671.54
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Solution
The fourth proportional to 424,885.98, 637,723.17 and 214,671.54 is: 322,206.48
Step by Step Solution
- Step 1: Write the proportion equation
424,885.98 : 637,723.17 = 214,671.54 : x - Step 2: Convert to fraction form
424,885.98/637,723.17 = 214,671.54/x - Step 3: Cross multiply
424,885.98x = 637,723.17 × 214,671.54 - Step 4: Simplify right side
424,885.98x = 136,901,014,997.58 - Step 5: Solve for x
x = 136,901,014,997.58/424,885.98 - Step 6: Final answer
x = 322,206.48
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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.