Finding the Fourth Proportional to 402,068.12, 602,677.62 and 307,091.48
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Solution
The fourth proportional to 402,068.12, 602,677.62 and 307,091.48 is: 460,312.95
Step by Step Solution
- Step 1: Write the proportion equation
402,068.12 : 602,677.62 = 307,091.48 : x - Step 2: Convert to fraction form
402,068.12/602,677.62 = 307,091.48/x - Step 3: Cross multiply
402,068.12x = 602,677.62 × 307,091.48 - Step 4: Simplify right side
402,068.12x = 185,077,159,275.29 - Step 5: Solve for x
x = 185,077,159,275.29/402,068.12 - Step 6: Final answer
x = 460,312.95
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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.