Finding the Fourth Proportional to 472,062.02, 651,437.30 and 257,203.62
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Solution
The fourth proportional to 472,062.02, 651,437.30 and 257,203.62 is: 354,936.48
Step by Step Solution
- Step 1: Write the proportion equation
472,062.02 : 651,437.30 = 257,203.62 : x - Step 2: Convert to fraction form
472,062.02/651,437.30 = 257,203.62/x - Step 3: Cross multiply
472,062.02x = 651,437.30 × 257,203.62 - Step 4: Simplify right side
472,062.02x = 167,552,031,763.03 - Step 5: Solve for x
x = 167,552,031,763.03/472,062.02 - Step 6: Final answer
x = 354,936.48
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1.5x scale
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.