Finding the Fourth Proportional to 654,656.70, 903,352.74 and 368,170.62
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Solution
The fourth proportional to 654,656.70, 903,352.74 and 368,170.62 is: 508,034.12
Step by Step Solution
- Step 1: Write the proportion equation
654,656.70 : 903,352.74 = 368,170.62 : x - Step 2: Convert to fraction form
654,656.70/903,352.74 = 368,170.62/x - Step 3: Cross multiply
654,656.70x = 903,352.74 × 368,170.62 - Step 4: Simplify right side
654,656.70x = 332,587,938,364.50 - Step 5: Solve for x
x = 332,587,938,364.50/654,656.70 - Step 6: Final answer
x = 508,034.12
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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.