Finding the Fourth Proportional to 438,209.64, 604,747.62 and 277,006.68
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Solution
The fourth proportional to 438,209.64, 604,747.62 and 277,006.68 is: 382,280.80
Step by Step Solution
- Step 1: Write the proportion equation
438,209.64 : 604,747.62 = 277,006.68 : x - Step 2: Convert to fraction form
438,209.64/604,747.62 = 277,006.68/x - Step 3: Cross multiply
438,209.64x = 604,747.62 × 277,006.68 - Step 4: Simplify right side
438,209.64x = 167,519,130,454.10 - Step 5: Solve for x
x = 167,519,130,454.10/438,209.64 - Step 6: Final answer
x = 382,280.80
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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.