Finding the Fourth Proportional to 418,417.65, 577,564.43 and 248,649.75
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Solution
The fourth proportional to 418,417.65, 577,564.43 and 248,649.75 is: 343,224.65
Step by Step Solution
- Step 1: Write the proportion equation
418,417.65 : 577,564.43 = 248,649.75 : x - Step 2: Convert to fraction form
418,417.65/577,564.43 = 248,649.75/x - Step 3: Cross multiply
418,417.65x = 577,564.43 × 248,649.75 - Step 4: Simplify right side
418,417.65x = 143,611,249,885.14 - Step 5: Solve for x
x = 143,611,249,885.14/418,417.65 - Step 6: Final answer
x = 343,224.65
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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.