Finding the Fourth Proportional to 472,415.24, 651,936.84 and 257,556.84
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Solution
The fourth proportional to 472,415.24, 651,936.84 and 257,556.84 is: 355,430.52
Step by Step Solution
- Step 1: Write the proportion equation
472,415.24 : 651,936.84 = 257,556.84 : x - Step 2: Convert to fraction form
472,415.24/651,936.84 = 257,556.84/x - Step 3: Cross multiply
472,415.24x = 651,936.84 × 257,556.84 - Step 4: Simplify right side
472,415.24x = 167,910,791,899.53 - Step 5: Solve for x
x = 167,910,791,899.53/472,415.24 - Step 6: Final answer
x = 355,430.52
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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.