Finding the Fourth Proportional to 472,177.36, 651,596.16 and 257,319.28
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Solution
The fourth proportional to 472,177.36, 651,596.16 and 257,319.28 is: 355,095.92
Step by Step Solution
- Step 1: Write the proportion equation
472,177.36 : 651,596.16 = 257,319.28 : x - Step 2: Convert to fraction form
472,177.36/651,596.16 = 257,319.28/x - Step 3: Cross multiply
472,177.36x = 651,596.16 × 257,319.28 - Step 4: Simplify right side
472,177.36x = 167,668,254,741.97 - Step 5: Solve for x
x = 167,668,254,741.97/472,177.36 - Step 6: Final answer
x = 355,095.92
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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.