Finding the Fourth Proportional to 328,178.08, 492,267.07 and 78,860.08
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Solution
The fourth proportional to 328,178.08, 492,267.07 and 78,860.08 is: 118,290.11
Step by Step Solution
- Step 1: Write the proportion equation
328,178.08 : 492,267.07 = 78,860.08 : x - Step 2: Convert to fraction form
328,178.08/492,267.07 = 78,860.08/x - Step 3: Cross multiply
328,178.08x = 492,267.07 × 78,860.08 - Step 4: Simplify right side
328,178.08x = 38,820,221,235.47 - Step 5: Solve for x
x = 38,820,221,235.47/328,178.08 - Step 6: Final answer
x = 118,290.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.