Finding the Fourth Proportional to 302,038.12, 416,803.98 and 166,071.88
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Solution
The fourth proportional to 302,038.12, 416,803.98 and 166,071.88 is: 229,174.45
Step by Step Solution
- Step 1: Write the proportion equation
302,038.12 : 416,803.98 = 166,071.88 : x - Step 2: Convert to fraction form
302,038.12/416,803.98 = 166,071.88/x - Step 3: Cross multiply
302,038.12x = 416,803.98 × 166,071.88 - Step 4: Simplify right side
302,038.12x = 69,219,420,550.08 - Step 5: Solve for x
x = 69,219,420,550.08/302,038.12 - Step 6: Final answer
x = 229,174.45
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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.