Finding the Fourth Proportional to 357,923.84, 536,873.46 and 91,686.66
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Solution
The fourth proportional to 357,923.84, 536,873.46 and 91,686.66 is: 137,526.84
Step by Step Solution
- Step 1: Write the proportion equation
357,923.84 : 536,873.46 = 91,686.66 : x - Step 2: Convert to fraction form
357,923.84/536,873.46 = 91,686.66/x - Step 3: Cross multiply
357,923.84x = 536,873.46 × 91,686.66 - Step 4: Simplify right side
357,923.84x = 49,224,134,390.04 - Step 5: Solve for x
x = 49,224,134,390.04/357,923.84 - Step 6: Final answer
x = 137,526.84
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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.