Finding the Fourth Proportional to 498,987.04, 688,594.08 and 272,627.68
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Solution
The fourth proportional to 498,987.04, 688,594.08 and 272,627.68 is: 376,221.81
Step by Step Solution
- Step 1: Write the proportion equation
498,987.04 : 688,594.08 = 272,627.68 : x - Step 2: Convert to fraction form
498,987.04/688,594.08 = 272,627.68/x - Step 3: Cross multiply
498,987.04x = 688,594.08 × 272,627.68 - Step 4: Simplify right side
498,987.04x = 187,729,806,492.13 - Step 5: Solve for x
x = 187,729,806,492.13/498,987.04 - Step 6: Final answer
x = 376,221.81
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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.