Finding the Fourth Proportional to 367,607.36, 507,237.12 and 216,683.84
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Solution
The fourth proportional to 367,607.36, 507,237.12 and 216,683.84 is: 298,987.72
Step by Step Solution
- Step 1: Write the proportion equation
367,607.36 : 507,237.12 = 216,683.84 : x - Step 2: Convert to fraction form
367,607.36/507,237.12 = 216,683.84/x - Step 3: Cross multiply
367,607.36x = 507,237.12 × 216,683.84 - Step 4: Simplify right side
367,607.36x = 109,910,086,952.14 - Step 5: Solve for x
x = 109,910,086,952.14/367,607.36 - Step 6: Final answer
x = 298,987.72
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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.