Finding the Fourth Proportional to 458,988.99, 633,208.30 and 286,607.67
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Solution
The fourth proportional to 458,988.99, 633,208.30 and 286,607.67 is: 395,395.88
Step by Step Solution
- Step 1: Write the proportion equation
458,988.99 : 633,208.30 = 286,607.67 : x - Step 2: Convert to fraction form
458,988.99/633,208.30 = 286,607.67/x - Step 3: Cross multiply
458,988.99x = 633,208.30 × 286,607.67 - Step 4: Simplify right side
458,988.99x = 181,482,355,487.66 - Step 5: Solve for x
x = 181,482,355,487.66/458,988.99 - Step 6: Final answer
x = 395,395.88
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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.