Finding the Fourth Proportional to 493,681.56, 740,547.72 and 138,723.26
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Solution
The fourth proportional to 493,681.56, 740,547.72 and 138,723.26 is: 208,092.01
Step by Step Solution
- Step 1: Write the proportion equation
493,681.56 : 740,547.72 = 138,723.26 : x - Step 2: Convert to fraction form
493,681.56/740,547.72 = 138,723.26/x - Step 3: Cross multiply
493,681.56x = 740,547.72 × 138,723.26 - Step 4: Simplify right side
493,681.56x = 102,731,190,201.23 - Step 5: Solve for x
x = 102,731,190,201.23/493,681.56 - Step 6: Final answer
x = 208,092.01
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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.