Finding the Fourth Proportional to 493,369.63, 740,349.68 and 212,886.88
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Solution
The fourth proportional to 493,369.63, 740,349.68 and 212,886.88 is: 319,457.71
Step by Step Solution
- Step 1: Write the proportion equation
493,369.63 : 740,349.68 = 212,886.88 : x - Step 2: Convert to fraction form
493,369.63/740,349.68 = 212,886.88/x - Step 3: Cross multiply
493,369.63x = 740,349.68 × 212,886.88 - Step 4: Simplify right side
493,369.63x = 157,610,733,484.20 - Step 5: Solve for x
x = 157,610,733,484.20/493,369.63 - Step 6: Final answer
x = 319,457.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.