Finding the Fourth Proportional to 430,208.70, 593,663.62 and 239,217.99
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Solution
The fourth proportional to 430,208.70, 593,663.62 and 239,217.99 is: 330,107.26
Step by Step Solution
- Step 1: Write the proportion equation
430,208.70 : 593,663.62 = 239,217.99 : x - Step 2: Convert to fraction form
430,208.70/593,663.62 = 239,217.99/x - Step 3: Cross multiply
430,208.70x = 593,663.62 × 239,217.99 - Step 4: Simplify right side
430,208.70x = 142,015,015,830.32 - Step 5: Solve for x
x = 142,015,015,830.32/430,208.70 - Step 6: Final answer
x = 330,107.26
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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.