Finding the Fourth Proportional to 472,225.66, 651,652.44 and 257,361.12
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Solution
The fourth proportional to 472,225.66, 651,652.44 and 257,361.12 is: 355,148.01
Step by Step Solution
- Step 1: Write the proportion equation
472,225.66 : 651,652.44 = 257,361.12 : x - Step 2: Convert to fraction form
472,225.66/651,652.44 = 257,361.12/x - Step 3: Cross multiply
472,225.66x = 651,652.44 × 257,361.12 - Step 4: Simplify right side
472,225.66x = 167,710,001,809.13 - Step 5: Solve for x
x = 167,710,001,809.13/472,225.66 - Step 6: Final answer
x = 355,148.01
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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.