Finding the Fourth Proportional to 342,319.02, 513,328.73 and 162,455.99
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Solution
The fourth proportional to 342,319.02, 513,328.73 and 162,455.99 is: 243,612.89
Step by Step Solution
- Step 1: Write the proportion equation
342,319.02 : 513,328.73 = 162,455.99 : x - Step 2: Convert to fraction form
342,319.02/513,328.73 = 162,455.99/x - Step 3: Cross multiply
342,319.02x = 513,328.73 × 162,455.99 - Step 4: Simplify right side
342,319.02x = 83,393,327,027.59 - Step 5: Solve for x
x = 83,393,327,027.59/342,319.02 - Step 6: Final answer
x = 243,612.89
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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.