Finding the Fourth Proportional to 383,805.64, 575,746.86 and 117,563.08
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Solution
The fourth proportional to 383,805.64, 575,746.86 and 117,563.08 is: 176,356.38
Step by Step Solution
- Step 1: Write the proportion equation
383,805.64 : 575,746.86 = 117,563.08 : x - Step 2: Convert to fraction form
383,805.64/575,746.86 = 117,563.08/x - Step 3: Cross multiply
383,805.64x = 575,746.86 × 117,563.08 - Step 4: Simplify right side
383,805.64x = 67,686,574,161.93 - Step 5: Solve for x
x = 67,686,574,161.93/383,805.64 - Step 6: Final answer
x = 176,356.38
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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.