Finding the Fourth Proportional to 357,623.80, 536,435.70 and 108,305.80
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Solution
The fourth proportional to 357,623.80, 536,435.70 and 108,305.80 is: 162,458.70
Step by Step Solution
- Step 1: Write the proportion equation
357,623.80 : 536,435.70 = 108,305.80 : x - Step 2: Convert to fraction form
357,623.80/536,435.70 = 108,305.80/x - Step 3: Cross multiply
357,623.80x = 536,435.70 × 108,305.80 - Step 4: Simplify right side
357,623.80x = 58,099,097,637.06 - Step 5: Solve for x
x = 58,099,097,637.06/357,623.80 - Step 6: Final answer
x = 162,458.70
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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.