Finding the Fourth Proportional to 493,807.86, 740,711.93 and 138,821.99
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Solution
The fourth proportional to 493,807.86, 740,711.93 and 138,821.99 is: 208,233.02
Step by Step Solution
- Step 1: Write the proportion equation
493,807.86 : 740,711.93 = 138,821.99 : x - Step 2: Convert to fraction form
493,807.86/740,711.93 = 138,821.99/x - Step 3: Cross multiply
493,807.86x = 740,711.93 × 138,821.99 - Step 4: Simplify right side
493,807.86x = 102,827,099,741.67 - Step 5: Solve for x
x = 102,827,099,741.67/493,807.86 - Step 6: Final answer
x = 208,233.02
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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.