Finding the Fourth Proportional to 266,657.91, 368,010.63 and 151,971.63
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Solution
The fourth proportional to 266,657.91, 368,010.63 and 151,971.63 is: 209,733.79
Step by Step Solution
- Step 1: Write the proportion equation
266,657.91 : 368,010.63 = 151,971.63 : x - Step 2: Convert to fraction form
266,657.91/368,010.63 = 151,971.63/x - Step 3: Cross multiply
266,657.91x = 368,010.63 × 151,971.63 - Step 4: Simplify right side
266,657.91x = 55,927,175,298.43 - Step 5: Solve for x
x = 55,927,175,298.43/266,657.91 - Step 6: Final answer
x = 209,733.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.