Finding the Fourth Proportional to 357,828.06, 536,807.70 and 147,351.18
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Solution
The fourth proportional to 357,828.06, 536,807.70 and 147,351.18 is: 221,053.79
Step by Step Solution
- Step 1: Write the proportion equation
357,828.06 : 536,807.70 = 147,351.18 : x - Step 2: Convert to fraction form
357,828.06/536,807.70 = 147,351.18/x - Step 3: Cross multiply
357,828.06x = 536,807.70 × 147,351.18 - Step 4: Simplify right side
357,828.06x = 79,099,248,028.09 - Step 5: Solve for x
x = 79,099,248,028.09/357,828.06 - Step 6: Final answer
x = 221,053.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.