Finding the Fourth Proportional to 402,988.08, 604,460.26 and 122,483.46
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Solution
The fourth proportional to 402,988.08, 604,460.26 and 122,483.46 is: 183,718.55
Step by Step Solution
- Step 1: Write the proportion equation
402,988.08 : 604,460.26 = 122,483.46 : x - Step 2: Convert to fraction form
402,988.08/604,460.26 = 122,483.46/x - Step 3: Cross multiply
402,988.08x = 604,460.26 × 122,483.46 - Step 4: Simplify right side
402,988.08x = 74,036,384,077.30 - Step 5: Solve for x
x = 74,036,384,077.30/402,988.08 - Step 6: Final answer
x = 183,718.55
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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.