Finding the Fourth Proportional to 383,159.68, 528,760.37 and 213,393.81
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Solution
The fourth proportional to 383,159.68, 528,760.37 and 213,393.81 is: 294,483.46
Step by Step Solution
- Step 1: Write the proportion equation
383,159.68 : 528,760.37 = 213,393.81 : x - Step 2: Convert to fraction form
383,159.68/528,760.37 = 213,393.81/x - Step 3: Cross multiply
383,159.68x = 528,760.37 × 213,393.81 - Step 4: Simplify right side
383,159.68x = 112,834,189,931.31 - Step 5: Solve for x
x = 112,834,189,931.31/383,159.68 - Step 6: Final answer
x = 294,483.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.