Finding the Fourth Proportional to 147,595.98, 203,681.40 and 83,933.76
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Solution
The fourth proportional to 147,595.98, 203,681.40 and 83,933.76 is: 115,827.99
Step by Step Solution
- Step 1: Write the proportion equation
147,595.98 : 203,681.40 = 83,933.76 : x - Step 2: Convert to fraction form
147,595.98/203,681.40 = 83,933.76/x - Step 3: Cross multiply
147,595.98x = 203,681.40 × 83,933.76 - Step 4: Simplify right side
147,595.98x = 17,095,745,744.06 - Step 5: Solve for x
x = 17,095,745,744.06/147,595.98 - Step 6: Final answer
x = 115,827.99
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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.