Finding the Fourth Proportional to 115,238.04, 159,038.94 and 69,927.50
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Solution
The fourth proportional to 115,238.04, 159,038.94 and 69,927.50 is: 96,506.28
Step by Step Solution
- Step 1: Write the proportion equation
115,238.04 : 159,038.94 = 69,927.50 : x - Step 2: Convert to fraction form
115,238.04/159,038.94 = 69,927.50/x - Step 3: Cross multiply
115,238.04x = 159,038.94 × 69,927.50 - Step 4: Simplify right side
115,238.04x = 11,121,194,681.66 - Step 5: Solve for x
x = 11,121,194,681.66/115,238.04 - Step 6: Final answer
x = 96,506.28
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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.