Finding the Fourth Proportional to 368,305.99, 508,267.52 and 217,402.99
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Solution
The fourth proportional to 368,305.99, 508,267.52 and 217,402.99 is: 300,019.23
Step by Step Solution
- Step 1: Write the proportion equation
368,305.99 : 508,267.52 = 217,402.99 : x - Step 2: Convert to fraction form
368,305.99/508,267.52 = 217,402.99/x - Step 3: Cross multiply
368,305.99x = 508,267.52 × 217,402.99 - Step 4: Simplify right side
368,305.99x = 110,498,878,567.89 - Step 5: Solve for x
x = 110,498,878,567.89/368,305.99 - Step 6: Final answer
x = 300,019.23
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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.