Finding the Fourth Proportional to 357,483.11, 536,224.18 and 91,243.65
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Solution
The fourth proportional to 357,483.11, 536,224.18 and 91,243.65 is: 136,865.35
Step by Step Solution
- Step 1: Write the proportion equation
357,483.11 : 536,224.18 = 91,243.65 : x - Step 2: Convert to fraction form
357,483.11/536,224.18 = 91,243.65/x - Step 3: Cross multiply
357,483.11x = 536,224.18 × 91,243.65 - Step 4: Simplify right side
357,483.11x = 48,927,051,401.46 - Step 5: Solve for x
x = 48,927,051,401.46/357,483.11 - Step 6: Final answer
x = 136,865.35
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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.