Finding the Fourth Proportional to 257,266.08, 386,030.68 and 122,482.48
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Solution
The fourth proportional to 257,266.08, 386,030.68 and 122,482.48 is: 183,786.35
Step by Step Solution
- Step 1: Write the proportion equation
257,266.08 : 386,030.68 = 122,482.48 : x - Step 2: Convert to fraction form
257,266.08/386,030.68 = 122,482.48/x - Step 3: Cross multiply
257,266.08x = 386,030.68 × 122,482.48 - Step 4: Simplify right side
257,266.08x = 47,281,995,042.49 - Step 5: Solve for x
x = 47,281,995,042.49/257,266.08 - Step 6: Final answer
x = 183,786.35
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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.