Finding the Fourth Proportional to 380,335.80, 524,898.61 and 210,569.93
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Solution
The fourth proportional to 380,335.80, 524,898.61 and 210,569.93 is: 290,605.99
Step by Step Solution
- Step 1: Write the proportion equation
380,335.80 : 524,898.61 = 210,569.93 : x - Step 2: Convert to fraction form
380,335.80/524,898.61 = 210,569.93/x - Step 3: Cross multiply
380,335.80x = 524,898.61 × 210,569.93 - Step 4: Simplify right side
380,335.80x = 110,527,860,940.30 - Step 5: Solve for x
x = 110,527,860,940.30/380,335.80 - Step 6: Final answer
x = 290,605.99
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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.