Finding the Fourth Proportional to 518,808.76, 778,237.00 and 158,953.84
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Solution
The fourth proportional to 518,808.76, 778,237.00 and 158,953.84 is: 238,438.07
Step by Step Solution
- Step 1: Write the proportion equation
518,808.76 : 778,237.00 = 158,953.84 : x - Step 2: Convert to fraction form
518,808.76/778,237.00 = 158,953.84/x - Step 3: Cross multiply
518,808.76x = 778,237.00 × 158,953.84 - Step 4: Simplify right side
518,808.76x = 123,703,757,237.10 - Step 5: Solve for x
x = 123,703,757,237.10/518,808.76 - Step 6: Final answer
x = 238,438.07
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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.