Finding the Fourth Proportional to 301,237.61, 415,712.14 and 165,269.08
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Solution
The fourth proportional to 301,237.61, 415,712.14 and 165,269.08 is: 228,073.66
Step by Step Solution
- Step 1: Write the proportion equation
301,237.61 : 415,712.14 = 165,269.08 : x - Step 2: Convert to fraction form
301,237.61/415,712.14 = 165,269.08/x - Step 3: Cross multiply
301,237.61x = 415,712.14 × 165,269.08 - Step 4: Simplify right side
301,237.61x = 68,704,363,965.88 - Step 5: Solve for x
x = 68,704,363,965.88/301,237.61 - Step 6: Final answer
x = 228,073.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.