Finding the Fourth Proportional to 279,137.13, 418,547.13 and 190,498.02
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Solution
The fourth proportional to 279,137.13, 418,547.13 and 190,498.02 is: 285,638.82
Step by Step Solution
- Step 1: Write the proportion equation
279,137.13 : 418,547.13 = 190,498.02 : x - Step 2: Convert to fraction form
279,137.13/418,547.13 = 190,498.02/x - Step 3: Cross multiply
279,137.13x = 418,547.13 × 190,498.02 - Step 4: Simplify right side
279,137.13x = 79,732,399,541.68 - Step 5: Solve for x
x = 79,732,399,541.68/279,137.13 - Step 6: Final answer
x = 285,638.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.