Finding the Fourth Proportional to 316,894,225.80, 475,341,338.70 and 144,707,341.80
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Solution
The fourth proportional to 316,894,225.80, 475,341,338.70 and 144,707,341.80 is: 217,061,012.70
Step by Step Solution
- Step 1: Write the proportion equation
316,894,225.80 : 475,341,338.70 = 144,707,341.80 : x - Step 2: Convert to fraction form
316,894,225.80/475,341,338.70 = 144,707,341.80/x - Step 3: Cross multiply
316,894,225.80x = 475,341,338.70 × 144,707,341.80 - Step 4: Simplify right side
316,894,225.80x = 68,785,381,570,930,472 - Step 5: Solve for x
x = 68,785,381,570,930,472/316,894,225.80 - Step 6: Final answer
x = 217,061,012.70
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1.5x scale
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.