Finding the Fourth Proportional to 246,248.55, 339,802.16 and 138,835.94
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Solution
The fourth proportional to 246,248.55, 339,802.16 and 138,835.94 is: 191,581.84
Step by Step Solution
- Step 1: Write the proportion equation
246,248.55 : 339,802.16 = 138,835.94 : x - Step 2: Convert to fraction form
246,248.55/339,802.16 = 138,835.94/x - Step 3: Cross multiply
246,248.55x = 339,802.16 × 138,835.94 - Step 4: Simplify right side
246,248.55x = 47,176,749,904.44 - Step 5: Solve for x
x = 47,176,749,904.44/246,248.55 - Step 6: Final answer
x = 191,581.84
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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.