Finding the Fourth Proportional to 302,537.60, 453,806.40 and 260,547.20
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Solution
The fourth proportional to 302,537.60, 453,806.40 and 260,547.20 is: 390,820.80
Step by Step Solution
- Step 1: Write the proportion equation
302,537.60 : 453,806.40 = 260,547.20 : x - Step 2: Convert to fraction form
302,537.60/453,806.40 = 260,547.20/x - Step 3: Cross multiply
302,537.60x = 453,806.40 × 260,547.20 - Step 4: Simplify right side
302,537.60x = 118,237,986,862.08 - Step 5: Solve for x
x = 118,237,986,862.08/302,537.60 - Step 6: Final answer
x = 390,820.80
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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.