Finding the Fourth Proportional to 224,721.35, 310,113.42 and 122,746.80
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Solution
The fourth proportional to 224,721.35, 310,113.42 and 122,746.80 is: 169,389.47
Step by Step Solution
- Step 1: Write the proportion equation
224,721.35 : 310,113.42 = 122,746.80 : x - Step 2: Convert to fraction form
224,721.35/310,113.42 = 122,746.80/x - Step 3: Cross multiply
224,721.35x = 310,113.42 × 122,746.80 - Step 4: Simplify right side
224,721.35x = 38,065,429,942.06 - Step 5: Solve for x
x = 38,065,429,942.06/224,721.35 - Step 6: Final answer
x = 169,389.47
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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.