Finding the Fourth Proportional to 367,790.18, 507,776.88 and 291,616.97
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Solution
The fourth proportional to 367,790.18, 507,776.88 and 291,616.97 is: 402,610.95
Step by Step Solution
- Step 1: Write the proportion equation
367,790.18 : 507,776.88 = 291,616.97 : x - Step 2: Convert to fraction form
367,790.18/507,776.88 = 291,616.97/x - Step 3: Cross multiply
367,790.18x = 507,776.88 × 291,616.97 - Step 4: Simplify right side
367,790.18x = 148,076,352,642.77 - Step 5: Solve for x
x = 148,076,352,642.77/367,790.18 - Step 6: Final answer
x = 402,610.95
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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.