Finding the Fourth Proportional to 342,772.30, 514,263.48 and 153,392.08
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Solution
The fourth proportional to 342,772.30, 514,263.48 and 153,392.08 is: 230,135.12
Step by Step Solution
- Step 1: Write the proportion equation
342,772.30 : 514,263.48 = 153,392.08 : x - Step 2: Convert to fraction form
342,772.30/514,263.48 = 153,392.08/x - Step 3: Cross multiply
342,772.30x = 514,263.48 × 153,392.08 - Step 4: Simplify right side
342,772.30x = 78,883,944,865.24 - Step 5: Solve for x
x = 78,883,944,865.24/342,772.30 - Step 6: Final answer
x = 230,135.12
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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.