Finding the Fourth Proportional to 472,225.60, 651,652.18 and 257,360.95
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Solution
The fourth proportional to 472,225.60, 651,652.18 and 257,360.95 is: 355,147.68
Step by Step Solution
- Step 1: Write the proportion equation
472,225.60 : 651,652.18 = 257,360.95 : x - Step 2: Convert to fraction form
472,225.60/651,652.18 = 257,360.95/x - Step 3: Cross multiply
472,225.60x = 651,652.18 × 257,360.95 - Step 4: Simplify right side
472,225.60x = 167,709,824,114.37 - Step 5: Solve for x
x = 167,709,824,114.37/472,225.60 - Step 6: Final answer
x = 355,147.68
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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.