Finding the Fourth Proportional to 292,529.13, 438,793.76 and 70,913.13
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Solution
The fourth proportional to 292,529.13, 438,793.76 and 70,913.13 is: 106,369.71
Step by Step Solution
- Step 1: Write the proportion equation
292,529.13 : 438,793.76 = 70,913.13 : x - Step 2: Convert to fraction form
292,529.13/438,793.76 = 70,913.13/x - Step 3: Cross multiply
292,529.13x = 438,793.76 × 70,913.13 - Step 4: Simplify right side
292,529.13x = 31,116,238,946.07 - Step 5: Solve for x
x = 31,116,238,946.07/292,529.13 - Step 6: Final answer
x = 106,369.71
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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.