Finding the Fourth Proportional to 382,907.10, 528,403.05 and 239,746.08
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Solution
The fourth proportional to 382,907.10, 528,403.05 and 239,746.08 is: 330,844.11
Step by Step Solution
- Step 1: Write the proportion equation
382,907.10 : 528,403.05 = 239,746.08 : x - Step 2: Convert to fraction form
382,907.10/528,403.05 = 239,746.08/x - Step 3: Cross multiply
382,907.10x = 528,403.05 × 239,746.08 - Step 4: Simplify right side
382,907.10x = 126,682,559,897.54 - Step 5: Solve for x
x = 126,682,559,897.54/382,907.10 - Step 6: Final answer
x = 330,844.11
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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.