Finding the Fourth Proportional to 210,303.36, 290,223.02 and 114,814.08
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Solution
The fourth proportional to 210,303.36, 290,223.02 and 114,814.08 is: 158,445.82
Step by Step Solution
- Step 1: Write the proportion equation
210,303.36 : 290,223.02 = 114,814.08 : x - Step 2: Convert to fraction form
210,303.36/290,223.02 = 114,814.08/x - Step 3: Cross multiply
210,303.36x = 290,223.02 × 114,814.08 - Step 4: Simplify right side
210,303.36x = 33,321,689,036.12 - Step 5: Solve for x
x = 33,321,689,036.12/210,303.36 - Step 6: Final answer
x = 158,445.82
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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.