Finding the Fourth Proportional to 302,536.10, 453,804.15 and 260,545.70
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Solution
The fourth proportional to 302,536.10, 453,804.15 and 260,545.70 is: 390,818.55
Step by Step Solution
- Step 1: Write the proportion equation
302,536.10 : 453,804.15 = 260,545.70 : x - Step 2: Convert to fraction form
302,536.10/453,804.15 = 260,545.70/x - Step 3: Cross multiply
302,536.10x = 453,804.15 × 260,545.70 - Step 4: Simplify right side
302,536.10x = 118,236,719,924.66 - Step 5: Solve for x
x = 118,236,719,924.66/302,536.10 - Step 6: Final answer
x = 390,818.55
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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.