Finding the Fourth Proportional to 498,695.08, 688,189.62 and 272,342.20
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Solution
The fourth proportional to 498,695.08, 688,189.62 and 272,342.20 is: 375,827.00
Step by Step Solution
- Step 1: Write the proportion equation
498,695.08 : 688,189.62 = 272,342.20 : x - Step 2: Convert to fraction form
498,695.08/688,189.62 = 272,342.20/x - Step 3: Cross multiply
498,695.08x = 688,189.62 × 272,342.20 - Step 4: Simplify right side
498,695.08x = 187,423,075,127.96 - Step 5: Solve for x
x = 187,423,075,127.96/498,695.08 - Step 6: Final answer
x = 375,827.00
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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.