Finding the Fourth Proportional to 475,203.19, 655,774.94 and 257,407.71
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Solution
The fourth proportional to 475,203.19, 655,774.94 and 257,407.71 is: 355,219.67
Step by Step Solution
- Step 1: Write the proportion equation
475,203.19 : 655,774.94 = 257,407.71 : x - Step 2: Convert to fraction form
475,203.19/655,774.94 = 257,407.71/x - Step 3: Cross multiply
475,203.19x = 655,774.94 × 257,407.71 - Step 4: Simplify right side
475,203.19x = 168,801,522,317.23 - Step 5: Solve for x
x = 168,801,522,317.23/475,203.19 - Step 6: Final answer
x = 355,219.67
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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.