Finding the Fourth Proportional to 356,801.24, 491,909.37 and 283,457.02
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Solution
The fourth proportional to 356,801.24, 491,909.37 and 283,457.02 is: 390,792.26
Step by Step Solution
- Step 1: Write the proportion equation
356,801.24 : 491,909.37 = 283,457.02 : x - Step 2: Convert to fraction form
356,801.24/491,909.37 = 283,457.02/x - Step 3: Cross multiply
356,801.24x = 491,909.37 × 283,457.02 - Step 4: Simplify right side
356,801.24x = 139,435,164,130.28 - Step 5: Solve for x
x = 139,435,164,130.28/356,801.24 - Step 6: Final answer
x = 390,792.26
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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.