Finding the Fourth Proportional to 402,048.51, 554,787.68 and 232,278.99
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Solution
The fourth proportional to 402,048.51, 554,787.68 and 232,278.99 is: 320,522.32
Step by Step Solution
- Step 1: Write the proportion equation
402,048.51 : 554,787.68 = 232,278.99 : x - Step 2: Convert to fraction form
402,048.51/554,787.68 = 232,278.99/x - Step 3: Cross multiply
402,048.51x = 554,787.68 × 232,278.99 - Step 4: Simplify right side
402,048.51x = 128,865,520,813.45 - Step 5: Solve for x
x = 128,865,520,813.45/402,048.51 - Step 6: Final answer
x = 320,522.32
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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.