Finding the Fourth Proportional to 149,866.12, 224,779.74 and 71,030.44
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Solution
The fourth proportional to 149,866.12, 224,779.74 and 71,030.44 is: 106,536.45
Step by Step Solution
- Step 1: Write the proportion equation
149,866.12 : 224,779.74 = 71,030.44 : x - Step 2: Convert to fraction form
149,866.12/224,779.74 = 71,030.44/x - Step 3: Cross multiply
149,866.12x = 224,779.74 × 71,030.44 - Step 4: Simplify right side
149,866.12x = 15,966,203,835.29 - Step 5: Solve for x
x = 15,966,203,835.29/149,866.12 - Step 6: Final answer
x = 106,536.45
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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.