Finding the Fourth Proportional to 472,152.19, 651,569.04 and 257,291.74
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Solution
The fourth proportional to 472,152.19, 651,569.04 and 257,291.74 is: 355,062.07
Step by Step Solution
- Step 1: Write the proportion equation
472,152.19 : 651,569.04 = 257,291.74 : x - Step 2: Convert to fraction form
472,152.19/651,569.04 = 257,291.74/x - Step 3: Cross multiply
472,152.19x = 651,569.04 × 257,291.74 - Step 4: Simplify right side
472,152.19x = 167,643,332,122.56 - Step 5: Solve for x
x = 167,643,332,122.56/472,152.19 - Step 6: Final answer
x = 355,062.07
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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.