Finding the Fourth Proportional to 458,987.99, 633,206.93 and 286,606.67
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Solution
The fourth proportional to 458,987.99, 633,206.93 and 286,606.67 is: 395,394.50
Step by Step Solution
- Step 1: Write the proportion equation
458,987.99 : 633,206.93 = 286,606.67 : x - Step 2: Convert to fraction form
458,987.99/633,206.93 = 286,606.67/x - Step 3: Cross multiply
458,987.99x = 633,206.93 × 286,606.67 - Step 4: Simplify right side
458,987.99x = 181,481,325,029.16 - Step 5: Solve for x
x = 181,481,325,029.16/458,987.99 - Step 6: Final answer
x = 395,394.50
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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.