Finding the Fourth Proportional to 368,467.80, 552,701.70 and 306,259.80
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Solution
The fourth proportional to 368,467.80, 552,701.70 and 306,259.80 is: 459,389.70
Step by Step Solution
- Step 1: Write the proportion equation
368,467.80 : 552,701.70 = 306,259.80 : x - Step 2: Convert to fraction form
368,467.80/552,701.70 = 306,259.80/x - Step 3: Cross multiply
368,467.80x = 552,701.70 × 306,259.80 - Step 4: Simplify right side
368,467.80x = 169,270,312,101.66 - Step 5: Solve for x
x = 169,270,312,101.66/368,467.80 - Step 6: Final answer
x = 459,389.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.