Finding the Fourth Proportional to 316,446.55, 474,595.99 and 91,746.68
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Solution
The fourth proportional to 316,446.55, 474,595.99 and 91,746.68 is: 137,598.61
Step by Step Solution
- Step 1: Write the proportion equation
316,446.55 : 474,595.99 = 91,746.68 : x - Step 2: Convert to fraction form
316,446.55/474,595.99 = 91,746.68/x - Step 3: Cross multiply
316,446.55x = 474,595.99 × 91,746.68 - Step 4: Simplify right side
316,446.55x = 43,542,606,423.81 - Step 5: Solve for x
x = 43,542,606,423.81/316,446.55 - Step 6: Final answer
x = 137,598.61
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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.