Finding the Fourth Proportional to 402,934.60, 556,038.62 and 219,167.08
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Solution
The fourth proportional to 402,934.60, 556,038.62 and 219,167.08 is: 302,444.52
Step by Step Solution
- Step 1: Write the proportion equation
402,934.60 : 556,038.62 = 219,167.08 : x - Step 2: Convert to fraction form
402,934.60/556,038.62 = 219,167.08/x - Step 3: Cross multiply
402,934.60x = 556,038.62 × 219,167.08 - Step 4: Simplify right side
402,934.60x = 121,865,360,712.63 - Step 5: Solve for x
x = 121,865,360,712.63/402,934.60 - Step 6: Final answer
x = 302,444.52
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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.