Finding the Fourth Proportional to 163,603.70, 245,405.55 and 163,603.70
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Solution
The fourth proportional to 163,603.70, 245,405.55 and 163,603.70 is: 245,405.55
Step by Step Solution
- Step 1: Write the proportion equation
163,603.70 : 245,405.55 = 163,603.70 : x - Step 2: Convert to fraction form
163,603.70/245,405.55 = 163,603.70/x - Step 3: Cross multiply
163,603.70x = 245,405.55 × 163,603.70 - Step 4: Simplify right side
163,603.70x = 40,149,255,980.54 - Step 5: Solve for x
x = 40,149,255,980.54/163,603.70 - Step 6: Final answer
x = 245,405.55
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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.