Finding the Fourth Proportional to 210,930.09, 291,083.31 and 119,068.71
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Solution
The fourth proportional to 210,930.09, 291,083.31 and 119,068.71 is: 164,314.70
Step by Step Solution
- Step 1: Write the proportion equation
210,930.09 : 291,083.31 = 119,068.71 : x - Step 2: Convert to fraction form
210,930.09/291,083.31 = 119,068.71/x - Step 3: Cross multiply
210,930.09x = 291,083.31 × 119,068.71 - Step 4: Simplify right side
210,930.09x = 34,658,914,224.23 - Step 5: Solve for x
x = 34,658,914,224.23/210,930.09 - Step 6: Final answer
x = 164,314.70
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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.