Finding the Fourth Proportional to 472,225.41, 651,652.10 and 257,360.87
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Solution
The fourth proportional to 472,225.41, 651,652.10 and 257,360.87 is: 355,147.65
Step by Step Solution
- Step 1: Write the proportion equation
472,225.41 : 651,652.10 = 257,360.87 : x - Step 2: Convert to fraction form
472,225.41/651,652.10 = 257,360.87/x - Step 3: Cross multiply
472,225.41x = 651,652.10 × 257,360.87 - Step 4: Simplify right side
472,225.41x = 167,709,746,848.26 - Step 5: Solve for x
x = 167,709,746,848.26/472,225.41 - Step 6: Final answer
x = 355,147.65
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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.