Finding the Fourth Proportional to 532,017.13, 734,201.36 and 290,312.96
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Solution
The fourth proportional to 532,017.13, 734,201.36 and 290,312.96 is: 400,641.55
Step by Step Solution
- Step 1: Write the proportion equation
532,017.13 : 734,201.36 = 290,312.96 : x - Step 2: Convert to fraction form
532,017.13/734,201.36 = 290,312.96/x - Step 3: Cross multiply
532,017.13x = 734,201.36 × 290,312.96 - Step 4: Simplify right side
532,017.13x = 213,148,170,057.63 - Step 5: Solve for x
x = 213,148,170,057.63/532,017.13 - Step 6: Final answer
x = 400,641.55
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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.