Finding the Fourth Proportional to 372,214.90, 558,322.35 and 355,107.70
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Solution
The fourth proportional to 372,214.90, 558,322.35 and 355,107.70 is: 532,661.55
Step by Step Solution
- Step 1: Write the proportion equation
372,214.90 : 558,322.35 = 355,107.70 : x - Step 2: Convert to fraction form
372,214.90/558,322.35 = 355,107.70/x - Step 3: Cross multiply
372,214.90x = 558,322.35 × 355,107.70 - Step 4: Simplify right side
372,214.90x = 198,264,565,567.10 - Step 5: Solve for x
x = 198,264,565,567.10/372,214.90 - Step 6: Final answer
x = 532,661.55
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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.