Finding the Fourth Proportional to 435,246.36, 653,054.09 and 210,774.05
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Solution
The fourth proportional to 435,246.36, 653,054.09 and 210,774.05 is: 316,250.44
Step by Step Solution
- Step 1: Write the proportion equation
435,246.36 : 653,054.09 = 210,774.05 : x - Step 2: Convert to fraction form
435,246.36/653,054.09 = 210,774.05/x - Step 3: Cross multiply
435,246.36x = 653,054.09 × 210,774.05 - Step 4: Simplify right side
435,246.36x = 137,646,851,099.22 - Step 5: Solve for x
x = 137,646,851,099.22/435,246.36 - Step 6: Final answer
x = 316,250.44
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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.