Finding the Fourth Proportional to 380,300.98, 569,631.36 and 357,943.08
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Solution
The fourth proportional to 380,300.98, 569,631.36 and 357,943.08 is: 536,142.72
Step by Step Solution
- Step 1: Write the proportion equation
380,300.98 : 569,631.36 = 357,943.08 : x - Step 2: Convert to fraction form
380,300.98/569,631.36 = 357,943.08/x - Step 3: Cross multiply
380,300.98x = 569,631.36 × 357,943.08 - Step 4: Simplify right side
380,300.98x = 203,895,603,462.99 - Step 5: Solve for x
x = 203,895,603,462.99/380,300.98 - Step 6: Final answer
x = 536,142.72
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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.