Finding the Fourth Proportional to 257,964,930.28, 355,576,684.92 and 174,306,931.48
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Solution
The fourth proportional to 257,964,930.28, 355,576,684.92 and 174,306,931.48 is: 240,263,204.72
Step by Step Solution
- Step 1: Write the proportion equation
257,964,930.28 : 355,576,684.92 = 174,306,931.48 : x - Step 2: Convert to fraction form
257,964,930.28/355,576,684.92 = 174,306,931.48/x - Step 3: Cross multiply
257,964,930.28x = 355,576,684.92 × 174,306,931.48 - Step 4: Simplify right side
257,964,930.28x = 61,979,480,854,235,992 - Step 5: Solve for x
x = 61,979,480,854,235,992/257,964,930.28 - Step 6: Final answer
x = 240,263,204.72
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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.