Finding the Fourth Proportional to 163,047.70, 228,681.50 and 163,047.70
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Solution
The fourth proportional to 163,047.70, 228,681.50 and 163,047.70 is: 228,681.50
Step by Step Solution
- Step 1: Write the proportion equation
163,047.70 : 228,681.50 = 163,047.70 : x - Step 2: Convert to fraction form
163,047.70/228,681.50 = 163,047.70/x - Step 3: Cross multiply
163,047.70x = 228,681.50 × 163,047.70 - Step 4: Simplify right side
163,047.70x = 37,285,992,607.55 - Step 5: Solve for x
x = 37,285,992,607.55/163,047.70 - Step 6: Final answer
x = 228,681.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.