Finding the Fourth Proportional to 157,345.08, 235,984.80 and 57,552.26
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Solution
The fourth proportional to 157,345.08, 235,984.80 and 57,552.26 is: 86,316.39
Step by Step Solution
- Step 1: Write the proportion equation
157,345.08 : 235,984.80 = 57,552.26 : x - Step 2: Convert to fraction form
157,345.08/235,984.80 = 57,552.26/x - Step 3: Cross multiply
157,345.08x = 235,984.80 × 57,552.26 - Step 4: Simplify right side
157,345.08x = 13,581,458,565.65 - Step 5: Solve for x
x = 13,581,458,565.65/157,345.08 - Step 6: Final answer
x = 86,316.39
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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.