Finding the Fourth Proportional to 357,552.38, 536,328.06 and 91,313.06
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Solution
The fourth proportional to 357,552.38, 536,328.06 and 91,313.06 is: 136,969.46
Step by Step Solution
- Step 1: Write the proportion equation
357,552.38 : 536,328.06 = 91,313.06 : x - Step 2: Convert to fraction form
357,552.38/536,328.06 = 91,313.06/x - Step 3: Cross multiply
357,552.38x = 536,328.06 × 91,313.06 - Step 4: Simplify right side
357,552.38x = 48,973,756,322.46 - Step 5: Solve for x
x = 48,973,756,322.46/357,552.38 - Step 6: Final answer
x = 136,969.46
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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.