Finding the Fourth Proportional to 472,452.60, 651,987.71 and 257,596.26
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Solution
The fourth proportional to 472,452.60, 651,987.71 and 257,596.26 is: 355,484.54
Step by Step Solution
- Step 1: Write the proportion equation
472,452.60 : 651,987.71 = 257,596.26 : x - Step 2: Convert to fraction form
472,452.60/651,987.71 = 257,596.26/x - Step 3: Cross multiply
472,452.60x = 651,987.71 × 257,596.26 - Step 4: Simplify right side
472,452.60x = 167,949,594,373.98 - Step 5: Solve for x
x = 167,949,594,373.98/472,452.60 - Step 6: Final answer
x = 355,484.54
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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.