Finding the Fourth Proportional to 163,539.70, 228,430.70 and 163,539.70
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Solution
The fourth proportional to 163,539.70, 228,430.70 and 163,539.70 is: 228,430.70
Step by Step Solution
- Step 1: Write the proportion equation
163,539.70 : 228,430.70 = 163,539.70 : x - Step 2: Convert to fraction form
163,539.70/228,430.70 = 163,539.70/x - Step 3: Cross multiply
163,539.70x = 228,430.70 × 163,539.70 - Step 4: Simplify right side
163,539.70x = 37,357,488,148.79 - Step 5: Solve for x
x = 37,357,488,148.79/163,539.70 - Step 6: Final answer
x = 228,430.70
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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.