Finding the Fourth Proportional to 176,281.68, 243,148.44 and 112,590.96
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Solution
The fourth proportional to 176,281.68, 243,148.44 and 112,590.96 is: 155,298.70
Step by Step Solution
- Step 1: Write the proportion equation
176,281.68 : 243,148.44 = 112,590.96 : x - Step 2: Convert to fraction form
176,281.68/243,148.44 = 112,590.96/x - Step 3: Cross multiply
176,281.68x = 243,148.44 × 112,590.96 - Step 4: Simplify right side
176,281.68x = 27,376,316,282.10 - Step 5: Solve for x
x = 27,376,316,282.10/176,281.68 - Step 6: Final answer
x = 155,298.70
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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.