Finding the Fourth Proportional to 645,602.94, 968,514.71 and 266,316.33
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Solution
The fourth proportional to 645,602.94, 968,514.71 and 266,316.33 is: 399,519.99
Step by Step Solution
- Step 1: Write the proportion equation
645,602.94 : 968,514.71 = 266,316.33 : x - Step 2: Convert to fraction form
645,602.94/968,514.71 = 266,316.33/x - Step 3: Cross multiply
645,602.94x = 968,514.71 × 266,316.33 - Step 4: Simplify right side
645,602.94x = 257,931,281,786.63 - Step 5: Solve for x
x = 257,931,281,786.63/645,602.94 - Step 6: Final answer
x = 399,519.99
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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.