Finding the Fourth Proportional to 257,252.06, 385,888.35 and 70,263.02
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Solution
The fourth proportional to 257,252.06, 385,888.35 and 70,263.02 is: 105,397.33
Step by Step Solution
- Step 1: Write the proportion equation
257,252.06 : 385,888.35 = 70,263.02 : x - Step 2: Convert to fraction form
257,252.06/385,888.35 = 70,263.02/x - Step 3: Cross multiply
257,252.06x = 385,888.35 × 70,263.02 - Step 4: Simplify right side
257,252.06x = 27,113,680,853.82 - Step 5: Solve for x
x = 27,113,680,853.82/257,252.06 - Step 6: Final answer
x = 105,397.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.