Finding the Fourth Proportional to 368,908.07, 553,439.86 and 119,570.63
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Solution
The fourth proportional to 368,908.07, 553,439.86 and 119,570.63 is: 179,381.14
Step by Step Solution
- Step 1: Write the proportion equation
368,908.07 : 553,439.86 = 119,570.63 : x - Step 2: Convert to fraction form
368,908.07/553,439.86 = 119,570.63/x - Step 3: Cross multiply
368,908.07x = 553,439.86 × 119,570.63 - Step 4: Simplify right side
368,908.07x = 66,175,149,661.19 - Step 5: Solve for x
x = 66,175,149,661.19/368,908.07 - Step 6: Final answer
x = 179,381.14
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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.