Finding the Fourth Proportional to 239,623, 330,679.74 and 133,639
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Solution
The fourth proportional to 239,623, 330,679.74 and 133,639 is: 184,421.82
Step by Step Solution
- Step 1: Write the proportion equation
239,623 : 330,679.74 = 133,639 : x - Step 2: Convert to fraction form
239,623/330,679.74 = 133,639/x - Step 3: Cross multiply
239,623x = 330,679.74 × 133,639 - Step 4: Simplify right side
239,623x = 44,191,709,773.86 - Step 5: Solve for x
x = 44,191,709,773.86/239,623 - Step 6: Final answer
x = 184,421.82
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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.