Finding the Fourth Proportional to 330,688.08, 455,539.68 and 239,776.92
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Solution
The fourth proportional to 330,688.08, 455,539.68 and 239,776.92 is: 330,304.92
Step by Step Solution
- Step 1: Write the proportion equation
330,688.08 : 455,539.68 = 239,776.92 : x - Step 2: Convert to fraction form
330,688.08/455,539.68 = 239,776.92/x - Step 3: Cross multiply
330,688.08x = 455,539.68 × 239,776.92 - Step 4: Simplify right side
330,688.08x = 109,227,901,408.19 - Step 5: Solve for x
x = 109,227,901,408.19/330,688.08 - Step 6: Final answer
x = 330,304.92
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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.