Finding the Fourth Proportional to 533,959.02, 737,130.06 and 307,560.78
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Solution
The fourth proportional to 533,959.02, 737,130.06 and 307,560.78 is: 424,587.45
Step by Step Solution
- Step 1: Write the proportion equation
533,959.02 : 737,130.06 = 307,560.78 : x - Step 2: Convert to fraction form
533,959.02/737,130.06 = 307,560.78/x - Step 3: Cross multiply
533,959.02x = 737,130.06 × 307,560.78 - Step 4: Simplify right side
533,959.02x = 226,712,296,215.05 - Step 5: Solve for x
x = 226,712,296,215.05/533,959.02 - Step 6: Final answer
x = 424,587.45
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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.