Finding the Fourth Proportional to 272,848.74, 376,518.66 and 151,988.84
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Solution
The fourth proportional to 272,848.74, 376,518.66 and 151,988.84 is: 209,737.58
Step by Step Solution
- Step 1: Write the proportion equation
272,848.74 : 376,518.66 = 151,988.84 : x - Step 2: Convert to fraction form
272,848.74/376,518.66 = 151,988.84/x - Step 3: Cross multiply
272,848.74x = 376,518.66 × 151,988.84 - Step 4: Simplify right side
272,848.74x = 57,226,634,371.75 - Step 5: Solve for x
x = 57,226,634,371.75/272,848.74 - Step 6: Final answer
x = 209,737.58
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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.