Finding the Fourth Proportional to 133,637.47, 184,368.34 and 76,279.99
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Solution
The fourth proportional to 133,637.47, 184,368.34 and 76,279.99 is: 105,237.06
Step by Step Solution
- Step 1: Write the proportion equation
133,637.47 : 184,368.34 = 76,279.99 : x - Step 2: Convert to fraction form
133,637.47/184,368.34 = 76,279.99/x - Step 3: Cross multiply
133,637.47x = 184,368.34 × 76,279.99 - Step 4: Simplify right side
133,637.47x = 14,063,614,209.67 - Step 5: Solve for x
x = 14,063,614,209.67/133,637.47 - Step 6: Final answer
x = 105,237.06
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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.