Finding the Fourth Proportional to 357,878.14, 536,803.18 and 121,220.81
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Solution
The fourth proportional to 357,878.14, 536,803.18 and 121,220.81 is: 181,826.46
Step by Step Solution
- Step 1: Write the proportion equation
357,878.14 : 536,803.18 = 121,220.81 : x - Step 2: Convert to fraction form
357,878.14/536,803.18 = 121,220.81/x - Step 3: Cross multiply
357,878.14x = 536,803.18 × 121,220.81 - Step 4: Simplify right side
357,878.14x = 65,071,716,290.18 - Step 5: Solve for x
x = 65,071,716,290.18/357,878.14 - Step 6: Final answer
x = 181,826.46
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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.