Finding the Fourth Proportional to 435,718.06, 601,278.91 and 242,120.77
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Solution
The fourth proportional to 435,718.06, 601,278.91 and 242,120.77 is: 334,119.99
Step by Step Solution
- Step 1: Write the proportion equation
435,718.06 : 601,278.91 = 242,120.77 : x - Step 2: Convert to fraction form
435,718.06/601,278.91 = 242,120.77/x - Step 3: Cross multiply
435,718.06x = 601,278.91 × 242,120.77 - Step 4: Simplify right side
435,718.06x = 145,582,112,673.96 - Step 5: Solve for x
x = 145,582,112,673.96/435,718.06 - Step 6: Final answer
x = 334,119.99
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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.