Finding the Fourth Proportional to 458,836.12, 633,424.08 and 286,849.63
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Solution
The fourth proportional to 458,836.12, 633,424.08 and 286,849.63 is: 395,996.42
Step by Step Solution
- Step 1: Write the proportion equation
458,836.12 : 633,424.08 = 286,849.63 : x - Step 2: Convert to fraction form
458,836.12/633,424.08 = 286,849.63/x - Step 3: Cross multiply
458,836.12x = 633,424.08 × 286,849.63 - Step 4: Simplify right side
458,836.12x = 181,697,462,981.09 - Step 5: Solve for x
x = 181,697,462,981.09/458,836.12 - Step 6: Final answer
x = 395,996.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.