Finding the Fourth Proportional to 368,266.84, 508,149.68 and 207,090.76
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Solution
The fourth proportional to 368,266.84, 508,149.68 and 207,090.76 is: 285,752.31
Step by Step Solution
- Step 1: Write the proportion equation
368,266.84 : 508,149.68 = 207,090.76 : x - Step 2: Convert to fraction form
368,266.84/508,149.68 = 207,090.76/x - Step 3: Cross multiply
368,266.84x = 508,149.68 × 207,090.76 - Step 4: Simplify right side
368,266.84x = 105,233,101,119.13 - Step 5: Solve for x
x = 105,233,101,119.13/368,266.84 - Step 6: Final answer
x = 285,752.31
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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.