Finding the Fourth Proportional to 224,718.47, 310,109.64 and 122,743.99
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Solution
The fourth proportional to 224,718.47, 310,109.64 and 122,743.99 is: 169,385.70
Step by Step Solution
- Step 1: Write the proportion equation
224,718.47 : 310,109.64 = 122,743.99 : x - Step 2: Convert to fraction form
224,718.47/310,109.64 = 122,743.99/x - Step 3: Cross multiply
224,718.47x = 310,109.64 × 122,743.99 - Step 4: Simplify right side
224,718.47x = 38,064,094,551.06 - Step 5: Solve for x
x = 38,064,094,551.06/224,718.47 - Step 6: Final answer
x = 169,385.70
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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.